# Copyright (C) 2001 Python Software Foundation
# This file is distributed under the same license as the Python package.
#
# Translators:
msgid ""
msgstr ""
"Project-Id-Version: Python 3.14\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2026-04-05 00:23+0000\n"
"PO-Revision-Date: 2018-05-23 16:17+0000\n"
"Last-Translator: Adrian Liaw <adrianliaw2000@gmail.com>\n"
"Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"
"tw)\n"
"Language: zh_TW\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=1; plural=0;\n"

#: ../../reference/lexical_analysis.rst:6
msgid "Lexical analysis"
msgstr "詞法分析"

#: ../../reference/lexical_analysis.rst:10
msgid ""
"A Python program is read by a *parser*.  Input to the parser is a stream of :"
"term:`tokens <token>`, generated by the *lexical analyzer* (also known as "
"the *tokenizer*). This chapter describes how the lexical analyzer produces "
"these tokens."
msgstr ""

#: ../../reference/lexical_analysis.rst:15
msgid ""
"The lexical analyzer determines the program text's :ref:`encoding "
"<encodings>` (UTF-8 by default), and decodes the text into :ref:`source "
"characters <lexical-source-character>`. If the text cannot be decoded, a :"
"exc:`SyntaxError` is raised."
msgstr ""

#: ../../reference/lexical_analysis.rst:20
msgid ""
"Next, the lexical analyzer uses the source characters to generate a stream "
"of tokens. The type of a generated token generally depends on the next "
"source character to be processed. Similarly, other special behavior of the "
"analyzer depends on the first source character that hasn't yet been "
"processed. The following table gives a quick summary of these source "
"characters, with links to sections that contain more information."
msgstr ""

#: ../../reference/lexical_analysis.rst:30
msgid "Character"
msgstr "字元"

#: ../../reference/lexical_analysis.rst:31
msgid "Next token (or other relevant documentation)"
msgstr ""

#: ../../reference/lexical_analysis.rst:33
#: ../../reference/lexical_analysis.rst:266
msgid "space"
msgstr "space（空白）"

#: ../../reference/lexical_analysis.rst:34
#: ../../reference/lexical_analysis.rst:266
msgid "tab"
msgstr "tab（定位字元）"

#: ../../reference/lexical_analysis.rst:35
msgid "formfeed"
msgstr ""

#: ../../reference/lexical_analysis.rst:36
msgid ":ref:`Whitespace <whitespace>`"
msgstr ":ref:`空白字元 <whitespace>`"

#: ../../reference/lexical_analysis.rst:38
msgid "CR, LF"
msgstr "CR, LF"

#: ../../reference/lexical_analysis.rst:39
msgid ":ref:`New line <line-structure>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:40
msgid ":ref:`Indentation <indentation>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:42
msgid "backslash (``\\``)"
msgstr "反斜線 (``\\``)"

#: ../../reference/lexical_analysis.rst:43
msgid ":ref:`Explicit line joining <explicit-joining>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:44
msgid "(Also significant in :ref:`string escape sequences <escape-sequences>`)"
msgstr ""

#: ../../reference/lexical_analysis.rst:46
msgid "hash (``#``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:47
msgid ":ref:`Comment <comments>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:49
msgid "quote (``'``, ``\"``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:50
msgid ":ref:`String literal <strings>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:52
msgid "ASCII letter (``a``-``z``, ``A``-``Z``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:53
msgid "non-ASCII character"
msgstr "非 ASCII 字元"

#: ../../reference/lexical_analysis.rst:54
#: ../../reference/lexical_analysis.rst:58
msgid ":ref:`Name <identifiers>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:55
msgid "Prefixed :ref:`string or bytes literal <strings>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:57
msgid "underscore (``_``)"
msgstr "底線 (``_``)"

#: ../../reference/lexical_analysis.rst:59
msgid "(Can also be part of :ref:`numeric literals <numbers>`)"
msgstr ""

#: ../../reference/lexical_analysis.rst:61
msgid "number (``0``-``9``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:62
#: ../../reference/lexical_analysis.rst:65
msgid ":ref:`Numeric literal <numbers>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:64
msgid "dot (``.``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:66
msgid ":ref:`Operator <operators>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:68
msgid "question mark (``?``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:69
msgid "dollar (``$``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:74
msgid "backquote (``​`​``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:75
msgid "control character"
msgstr "控制字元"

#: ../../reference/lexical_analysis.rst:76
msgid "Error (outside string literals and comments)"
msgstr ""

#: ../../reference/lexical_analysis.rst:78
msgid "other printing character"
msgstr ""

#: ../../reference/lexical_analysis.rst:79
msgid ":ref:`Operator or delimiter <operators>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:81
msgid "end of file"
msgstr ""

#: ../../reference/lexical_analysis.rst:82
msgid ":ref:`End marker <endmarker-token>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:88
msgid "Line structure"
msgstr ""

#: ../../reference/lexical_analysis.rst:92
msgid "A Python program is divided into a number of *logical lines*."
msgstr ""

#: ../../reference/lexical_analysis.rst:98
msgid "Logical lines"
msgstr ""

#: ../../reference/lexical_analysis.rst:102
msgid ""
"The end of a logical line is represented by the token :data:`~token."
"NEWLINE`. Statements cannot cross logical line boundaries except where :data:"
"`!NEWLINE` is allowed by the syntax (e.g., between statements in compound "
"statements). A logical line is constructed from one or more *physical lines* "
"by following the :ref:`explicit <explicit-joining>` or :ref:`implicit "
"<implicit-joining>` *line joining* rules."
msgstr ""

#: ../../reference/lexical_analysis.rst:113
msgid "Physical lines"
msgstr ""

#: ../../reference/lexical_analysis.rst:115
msgid ""
"A physical line is a sequence of characters terminated by one the following "
"end-of-line sequences:"
msgstr ""

#: ../../reference/lexical_analysis.rst:118
msgid "the Unix form using ASCII LF (linefeed),"
msgstr ""

#: ../../reference/lexical_analysis.rst:119
msgid ""
"the Windows form using the ASCII sequence CR LF (return followed by "
"linefeed),"
msgstr ""

#: ../../reference/lexical_analysis.rst:120
msgid "the '`Classic Mac OS`__' form using the ASCII CR (return) character."
msgstr ""

#: ../../reference/lexical_analysis.rst:124
msgid ""
"Regardless of platform, each of these sequences is replaced by a single "
"ASCII LF (linefeed) character. (This is done even inside :ref:`string "
"literals <strings>`.) Each line can use any of the sequences; they do not "
"need to be consistent within a file."
msgstr ""

#: ../../reference/lexical_analysis.rst:130
msgid ""
"The end of input also serves as an implicit terminator for the final "
"physical line."
msgstr ""

#: ../../reference/lexical_analysis.rst:133
msgid "Formally:"
msgstr ""

#: ../../reference/lexical_analysis.rst:144
msgid "Comments"
msgstr ""

#: ../../reference/lexical_analysis.rst:149
msgid ""
"A comment starts with a hash character (``#``) that is not part of a string "
"literal, and ends at the end of the physical line.  A comment signifies the "
"end of the logical line unless the implicit line joining rules are invoked. "
"Comments are ignored by the syntax."
msgstr ""

#: ../../reference/lexical_analysis.rst:158
msgid "Encoding declarations"
msgstr ""

#: ../../reference/lexical_analysis.rst:163
msgid ""
"If a comment in the first or second line of the Python script matches the "
"regular expression ``coding[=:]\\s*([-\\w.]+)``, this comment is processed "
"as an encoding declaration; the first group of this expression names the "
"encoding of the source code file. The encoding declaration must appear on a "
"line of its own. If it is the second line, the first line must also be a "
"comment-only line. The recommended forms of an encoding expression are ::"
msgstr ""

#: ../../reference/lexical_analysis.rst:170
msgid "# -*- coding: <encoding-name> -*-"
msgstr "# -*- coding: <encoding-name> -*-"

#: ../../reference/lexical_analysis.rst:172
msgid "which is recognized also by GNU Emacs, and ::"
msgstr ""

#: ../../reference/lexical_analysis.rst:174
msgid "# vim:fileencoding=<encoding-name>"
msgstr "# vim:fileencoding=<encoding-name>"

#: ../../reference/lexical_analysis.rst:176
msgid "which is recognized by Bram Moolenaar's VIM."
msgstr ""

#: ../../reference/lexical_analysis.rst:178
msgid ""
"If no encoding declaration is found, the default encoding is UTF-8.  If the "
"implicit or explicit encoding of a file is UTF-8, an initial UTF-8 byte-"
"order mark (``b'\\xef\\xbb\\xbf'``) is ignored rather than being a syntax "
"error."
msgstr ""

#: ../../reference/lexical_analysis.rst:182
msgid ""
"If an encoding is declared, the encoding name must be recognized by Python "
"(see :ref:`standard-encodings`). The encoding is used for all lexical "
"analysis, including string literals, comments and identifiers."
msgstr ""

#: ../../reference/lexical_analysis.rst:189
msgid ""
"All lexical analysis, including string literals, comments and identifiers, "
"works on Unicode text decoded using the source encoding. Any Unicode code "
"point, except the NUL control character, can appear in Python source."
msgstr ""

#: ../../reference/lexical_analysis.rst:203
msgid "Explicit line joining"
msgstr ""

#: ../../reference/lexical_analysis.rst:207
msgid ""
"Two or more physical lines may be joined into logical lines using backslash "
"characters (``\\``), as follows: when a physical line ends in a backslash "
"that is not part of a string literal or comment, it is joined with the "
"following forming a single logical line, deleting the backslash and the "
"following end-of-line character.  For example::"
msgstr ""

#: ../../reference/lexical_analysis.rst:213
msgid ""
"if 1900 < year < 2100 and 1 <= month <= 12 \\\n"
"   and 1 <= day <= 31 and 0 <= hour < 24 \\\n"
"   and 0 <= minute < 60 and 0 <= second < 60:   # Looks like a valid date\n"
"        return 1"
msgstr ""
"if 1900 < year < 2100 and 1 <= month <= 12 \\\n"
"   and 1 <= day <= 31 and 0 <= hour < 24 \\\n"
"   and 0 <= minute < 60 and 0 <= second < 60:   # 看起來像個有效日期\n"
"        return 1"

#: ../../reference/lexical_analysis.rst:218
msgid ""
"A line ending in a backslash cannot carry a comment.  A backslash does not "
"continue a comment.  A backslash does not continue a token except for string "
"literals (i.e., tokens other than string literals cannot be split across "
"physical lines using a backslash).  A backslash is illegal elsewhere on a "
"line outside a string literal."
msgstr ""

#: ../../reference/lexical_analysis.rst:228
msgid "Implicit line joining"
msgstr ""

#: ../../reference/lexical_analysis.rst:230
msgid ""
"Expressions in parentheses, square brackets or curly braces can be split "
"over more than one physical line without using backslashes. For example::"
msgstr ""

#: ../../reference/lexical_analysis.rst:233
msgid ""
"month_names = ['Januari', 'Februari', 'Maart',      # These are the\n"
"               'April',   'Mei',      'Juni',       # Dutch names\n"
"               'Juli',    'Augustus', 'September',  # for the months\n"
"               'Oktober', 'November', 'December']   # of the year"
msgstr ""
"month_names = ['Januari', 'Februari', 'Maart',      # 這些是\n"
"               'April',   'Mei',      'Juni',       # 荷蘭文的\n"
"               'Juli',    'Augustus', 'September',  # 一年之中\n"
"               'Oktober', 'November', 'December']   # 月份名稱"

#: ../../reference/lexical_analysis.rst:238
msgid ""
"Implicitly continued lines can carry comments.  The indentation of the "
"continuation lines is not important.  Blank continuation lines are allowed. "
"There is no NEWLINE token between implicit continuation lines.  Implicitly "
"continued lines can also occur within triple-quoted strings (see below); in "
"that case they cannot carry comments."
msgstr ""

#: ../../reference/lexical_analysis.rst:248
msgid "Blank lines"
msgstr ""

#: ../../reference/lexical_analysis.rst:252
msgid ""
"A logical line that contains only spaces, tabs, formfeeds and possibly a "
"comment, is ignored (i.e., no :data:`~token.NEWLINE` token is generated). "
"During interactive input of statements, handling of a blank line may differ "
"depending on the implementation of the read-eval-print loop. In the standard "
"interactive interpreter, an entirely blank logical line (that is, one "
"containing not even whitespace or a comment) terminates a multi-line "
"statement."
msgstr ""

#: ../../reference/lexical_analysis.rst:264
msgid "Indentation"
msgstr ""

#: ../../reference/lexical_analysis.rst:268
msgid ""
"Leading whitespace (spaces and tabs) at the beginning of a logical line is "
"used to compute the indentation level of the line, which in turn is used to "
"determine the grouping of statements."
msgstr ""

#: ../../reference/lexical_analysis.rst:272
msgid ""
"Tabs are replaced (from left to right) by one to eight spaces such that the "
"total number of characters up to and including the replacement is a multiple "
"of eight (this is intended to be the same rule as used by Unix).  The total "
"number of spaces preceding the first non-blank character then determines the "
"line's indentation.  Indentation cannot be split over multiple physical "
"lines using backslashes; the whitespace up to the first backslash determines "
"the indentation."
msgstr ""

#: ../../reference/lexical_analysis.rst:280
msgid ""
"Indentation is rejected as inconsistent if a source file mixes tabs and "
"spaces in a way that makes the meaning dependent on the worth of a tab in "
"spaces; a :exc:`TabError` is raised in that case."
msgstr ""

#: ../../reference/lexical_analysis.rst:284
msgid ""
"**Cross-platform compatibility note:** because of the nature of text editors "
"on non-UNIX platforms, it is unwise to use a mixture of spaces and tabs for "
"the indentation in a single source file.  It should also be noted that "
"different platforms may explicitly limit the maximum indentation level."
msgstr ""

#: ../../reference/lexical_analysis.rst:289
msgid ""
"A formfeed character may be present at the start of the line; it will be "
"ignored for the indentation calculations above.  Formfeed characters "
"occurring elsewhere in the leading whitespace have an undefined effect (for "
"instance, they may reset the space count to zero)."
msgstr ""

#: ../../reference/lexical_analysis.rst:296
msgid ""
"The indentation levels of consecutive lines are used to generate :data:"
"`~token.INDENT` and :data:`~token.DEDENT` tokens, using a stack, as follows."
msgstr ""

#: ../../reference/lexical_analysis.rst:300
msgid ""
"Before the first line of the file is read, a single zero is pushed on the "
"stack; this will never be popped off again.  The numbers pushed on the stack "
"will always be strictly increasing from bottom to top.  At the beginning of "
"each logical line, the line's indentation level is compared to the top of "
"the stack. If it is equal, nothing happens. If it is larger, it is pushed on "
"the stack, and one :data:`!INDENT` token is generated.  If it is smaller, it "
"*must* be one of the numbers occurring on the stack; all numbers on the "
"stack that are larger are popped off, and for each number popped off a :data:"
"`!DEDENT` token is generated. At the end of the file, a :data:`!DEDENT` "
"token is generated for each number remaining on the stack that is larger "
"than zero."
msgstr ""

#: ../../reference/lexical_analysis.rst:311
msgid ""
"Here is an example of a correctly (though confusingly) indented piece of "
"Python code::"
msgstr ""

#: ../../reference/lexical_analysis.rst:314
msgid ""
"def perm(l):\n"
"        # Compute the list of all permutations of l\n"
"    if len(l) <= 1:\n"
"                  return [l]\n"
"    r = []\n"
"    for i in range(len(l)):\n"
"             s = l[:i] + l[i+1:]\n"
"             p = perm(s)\n"
"             for x in p:\n"
"              r.append(l[i:i+1] + x)\n"
"    return r"
msgstr ""

#: ../../reference/lexical_analysis.rst:326
msgid "The following example shows various indentation errors::"
msgstr ""

#: ../../reference/lexical_analysis.rst:328
msgid ""
" def perm(l):                       # error: first line indented\n"
"for i in range(len(l)):             # error: not indented\n"
"    s = l[:i] + l[i+1:]\n"
"        p = perm(l[:i] + l[i+1:])   # error: unexpected indent\n"
"        for x in p:\n"
"                r.append(l[i:i+1] + x)\n"
"            return r                # error: inconsistent dedent"
msgstr ""

#: ../../reference/lexical_analysis.rst:336
msgid ""
"(Actually, the first three errors are detected by the parser; only the last "
"error is found by the lexical analyzer --- the indentation of ``return r`` "
"does not match a level popped off the stack.)"
msgstr ""

#: ../../reference/lexical_analysis.rst:344
msgid "Whitespace between tokens"
msgstr ""

#: ../../reference/lexical_analysis.rst:346
msgid ""
"Except at the beginning of a logical line or in string literals, the "
"whitespace characters space, tab and formfeed can be used interchangeably to "
"separate tokens:"
msgstr ""

#: ../../reference/lexical_analysis.rst:356
msgid ""
"Whitespace is needed between two tokens only if their concatenation could "
"otherwise be interpreted as a different token. For example, ``ab`` is one "
"token, but ``a b`` is two tokens. However, ``+a`` and ``+ a`` both produce "
"two tokens, ``+`` and ``a``, as ``+a`` is not a valid token."
msgstr ""

#: ../../reference/lexical_analysis.rst:365
msgid "End marker"
msgstr ""

#: ../../reference/lexical_analysis.rst:367
msgid ""
"At the end of non-interactive input, the lexical analyzer generates an :data:"
"`~token.ENDMARKER` token."
msgstr ""

#: ../../reference/lexical_analysis.rst:374
msgid "Other tokens"
msgstr ""

#: ../../reference/lexical_analysis.rst:376
msgid ""
"Besides :data:`~token.NEWLINE`, :data:`~token.INDENT` and :data:`~token."
"DEDENT`, the following categories of tokens exist: *identifiers* and "
"*keywords* (:data:`~token.NAME`), *literals* (such as :data:`~token.NUMBER` "
"and :data:`~token.STRING`), and other symbols (*operators* and "
"*delimiters*, :data:`~token.OP`). Whitespace characters (other than logical "
"line terminators, discussed earlier) are not tokens, but serve to delimit "
"tokens. Where ambiguity exists, a token comprises the longest possible "
"string that forms a legal token, when read from left to right."
msgstr ""

#: ../../reference/lexical_analysis.rst:390
msgid "Names (identifiers and keywords)"
msgstr ""

#: ../../reference/lexical_analysis.rst:394
msgid ""
":data:`~token.NAME` tokens represent *identifiers*, *keywords*, and *soft "
"keywords*."
msgstr ""

#: ../../reference/lexical_analysis.rst:397
msgid "Names are composed of the following characters:"
msgstr ""

#: ../../reference/lexical_analysis.rst:399
msgid "uppercase and lowercase letters (``A-Z`` and ``a-z``),"
msgstr ""

#: ../../reference/lexical_analysis.rst:400
msgid "the underscore (``_``),"
msgstr "底線 (``_``)，"

#: ../../reference/lexical_analysis.rst:401
msgid ""
"digits (``0`` through ``9``), which cannot appear as the first character, and"
msgstr ""

#: ../../reference/lexical_analysis.rst:402
msgid ""
"non-ASCII characters. Valid names may only contain \"letter-like\" and "
"\"digit-like\" characters; see :ref:`lexical-names-nonascii` for details."
msgstr ""

#: ../../reference/lexical_analysis.rst:405
msgid ""
"Names must contain at least one character, but have no upper length limit. "
"Case is significant."
msgstr ""

#: ../../reference/lexical_analysis.rst:408
msgid "Formally, names are described by the following lexical definitions:"
msgstr ""

#: ../../reference/lexical_analysis.rst:418
msgid ""
"Note that not all names matched by this grammar are valid; see :ref:`lexical-"
"names-nonascii` for details."
msgstr ""

#: ../../reference/lexical_analysis.rst:425
msgid "Keywords"
msgstr "關鍵字"

#: ../../reference/lexical_analysis.rst:431
msgid ""
"The following names are used as reserved words, or *keywords* of the "
"language, and cannot be used as ordinary identifiers.  They must be spelled "
"exactly as written here:"
msgstr ""

#: ../../reference/lexical_analysis.rst:435
msgid ""
"False      await      else       import     pass\n"
"None       break      except     in         raise\n"
"True       class      finally    is         return\n"
"and        continue   for        lambda     try\n"
"as         def        from       nonlocal   while\n"
"assert     del        global     not        with\n"
"async      elif       if         or         yield"
msgstr ""
"False      await      else       import     pass\n"
"None       break      except     in         raise\n"
"True       class      finally    is         return\n"
"and        continue   for        lambda     try\n"
"as         def        from       nonlocal   while\n"
"assert     del        global     not        with\n"
"async      elif       if         or         yield"

#: ../../reference/lexical_analysis.rst:449
msgid "Soft Keywords"
msgstr "軟關鍵字"

#: ../../reference/lexical_analysis.rst:455
msgid ""
"Some names are only reserved under specific contexts. These are known as "
"*soft keywords*:"
msgstr ""

#: ../../reference/lexical_analysis.rst:458
msgid ""
"``match``, ``case``, and ``_``, when used in the :keyword:`match` statement."
msgstr ""

#: ../../reference/lexical_analysis.rst:459
msgid "``type``, when used in the :keyword:`type` statement."
msgstr ""

#: ../../reference/lexical_analysis.rst:461
msgid ""
"These syntactically act as keywords in their specific contexts, but this "
"distinction is done at the parser level, not when tokenizing."
msgstr ""

#: ../../reference/lexical_analysis.rst:464
msgid ""
"As soft keywords, their use in the grammar is possible while still "
"preserving compatibility with existing code that uses these names as "
"identifier names."
msgstr ""

#: ../../reference/lexical_analysis.rst:468
msgid "``type`` is now a soft keyword."
msgstr "``type`` 現在是軟關鍵字。"

#: ../../reference/lexical_analysis.rst:477
msgid "Reserved classes of identifiers"
msgstr ""

#: ../../reference/lexical_analysis.rst:479
msgid ""
"Certain classes of identifiers (besides keywords) have special meanings.  "
"These classes are identified by the patterns of leading and trailing "
"underscore characters:"
msgstr ""

#: ../../reference/lexical_analysis.rst:483
msgid "``_*``"
msgstr "``_*``"

#: ../../reference/lexical_analysis.rst:484
msgid "Not imported by ``from module import *``."
msgstr ""

#: ../../reference/lexical_analysis.rst:486
msgid "``_``"
msgstr "``_``"

#: ../../reference/lexical_analysis.rst:487
msgid ""
"In a ``case`` pattern within a :keyword:`match` statement, ``_`` is a :ref:"
"`soft keyword <soft-keywords>` that denotes a :ref:`wildcard <wildcard-"
"patterns>`."
msgstr ""

#: ../../reference/lexical_analysis.rst:491
msgid ""
"Separately, the interactive interpreter makes the result of the last "
"evaluation available in the variable ``_``. (It is stored in the :mod:"
"`builtins` module, alongside built-in functions like ``print``.)"
msgstr ""

#: ../../reference/lexical_analysis.rst:496
msgid ""
"Elsewhere, ``_`` is a regular identifier. It is often used to name "
"\"special\" items, but it is not special to Python itself."
msgstr ""

#: ../../reference/lexical_analysis.rst:501
msgid ""
"The name ``_`` is often used in conjunction with internationalization; refer "
"to the documentation for the :mod:`gettext` module for more information on "
"this convention."
msgstr ""

#: ../../reference/lexical_analysis.rst:505
msgid "It is also commonly used for unused variables."
msgstr ""

#: ../../reference/lexical_analysis.rst:507
msgid "``__*__``"
msgstr "``__*__``"

#: ../../reference/lexical_analysis.rst:508
msgid ""
"System-defined names, informally known as \"dunder\" names. These names are "
"defined by the interpreter and its implementation (including the standard "
"library). Current system names are discussed in the :ref:`specialnames` "
"section and elsewhere. More will likely be defined in future versions of "
"Python.  *Any* use of ``__*__`` names, in any context, that does not follow "
"explicitly documented use, is subject to breakage without warning."
msgstr ""

#: ../../reference/lexical_analysis.rst:515
msgid "``__*``"
msgstr "``__*``"

#: ../../reference/lexical_analysis.rst:516
msgid ""
"Class-private names.  Names in this category, when used within the context "
"of a class definition, are re-written to use a mangled form to help avoid "
"name clashes between \"private\" attributes of base and derived classes. See "
"section :ref:`atom-identifiers`."
msgstr ""

#: ../../reference/lexical_analysis.rst:525
msgid "Non-ASCII characters in names"
msgstr "名稱中的非 ASCII 字元"

#: ../../reference/lexical_analysis.rst:527
msgid ""
"Names that contain non-ASCII characters need additional normalization and "
"validation beyond the rules and grammar explained :ref:`above "
"<identifiers>`. For example, ``ř_1``, ``蛇``, or ``साँप``  are valid names, "
"but ``r〰2``, ``€``, or ``🐍`` are not."
msgstr ""

#: ../../reference/lexical_analysis.rst:533
msgid "This section explains the exact rules."
msgstr ""

#: ../../reference/lexical_analysis.rst:535
msgid ""
"All names are converted into the `normalization form`_ NFKC while parsing. "
"This means that, for example, some typographic variants of characters are "
"converted to their \"basic\" form. For example, ``fiⁿₐˡᵢᶻₐᵗᵢᵒₙ`` normalizes "
"to ``finalization``, so Python treats them as the same name::"
msgstr ""

#: ../../reference/lexical_analysis.rst:540
msgid ""
">>> fiⁿₐˡᵢᶻₐᵗᵢᵒₙ = 3\n"
">>> finalization\n"
"3"
msgstr ""

#: ../../reference/lexical_analysis.rst:546
msgid ""
"Normalization is done at the lexical level only. Run-time functions that "
"take names as *strings* generally do not normalize their arguments. For "
"example, the variable defined above is accessible at run time in the :func:"
"`globals` dictionary as ``globals()[\"finalization\"]`` but not ``globals()"
"[\"fiⁿₐˡᵢᶻₐᵗᵢᵒₙ\"]``."
msgstr ""

#: ../../reference/lexical_analysis.rst:553
msgid ""
"Similarly to how ASCII-only names must contain only letters, digits and the "
"underscore, and cannot start with a digit, a valid name must start with a "
"character in the \"letter-like\" set ``xid_start``, and the remaining "
"characters must be in the \"letter- and digit-like\" set ``xid_continue``."
msgstr ""

#: ../../reference/lexical_analysis.rst:559
msgid ""
"These sets are based on the *XID_Start* and *XID_Continue* sets as defined "
"by the Unicode standard annex `UAX-31`_. Python's ``xid_start`` additionally "
"includes the underscore (``_``). Note that Python does not necessarily "
"conform to `UAX-31`_."
msgstr ""

#: ../../reference/lexical_analysis.rst:564
msgid ""
"A non-normative listing of characters in the *XID_Start* and *XID_Continue* "
"sets as defined by Unicode is available in the `DerivedCoreProperties.txt`_ "
"file in the Unicode Character Database. For reference, the construction "
"rules for the ``xid_*`` sets are given below."
msgstr ""

#: ../../reference/lexical_analysis.rst:569
msgid "The set ``id_start`` is defined as the union of:"
msgstr ""

#: ../../reference/lexical_analysis.rst:571
msgid "Unicode category ``<Lu>`` - uppercase letters (includes ``A`` to ``Z``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:572
msgid "Unicode category ``<Ll>`` - lowercase letters (includes ``a`` to ``z``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:573
msgid "Unicode category ``<Lt>`` - titlecase letters"
msgstr ""

#: ../../reference/lexical_analysis.rst:574
msgid "Unicode category ``<Lm>`` - modifier letters"
msgstr ""

#: ../../reference/lexical_analysis.rst:575
msgid "Unicode category ``<Lo>`` - other letters"
msgstr ""

#: ../../reference/lexical_analysis.rst:576
msgid "Unicode category ``<Nl>`` - letter numbers"
msgstr ""

#: ../../reference/lexical_analysis.rst:577
msgid "{``\"_\"``} - the underscore"
msgstr "{``\"_\"``} - 底線"

#: ../../reference/lexical_analysis.rst:578
msgid ""
"``<Other_ID_Start>`` - an explicit set of characters in `PropList.txt`_ to "
"support backwards compatibility"
msgstr ""

#: ../../reference/lexical_analysis.rst:581
msgid ""
"The set ``xid_start`` then closes this set under NFKC normalization, by "
"removing all characters whose normalization is not of the form ``id_start "
"id_continue*``."
msgstr ""

#: ../../reference/lexical_analysis.rst:585
msgid "The set ``id_continue`` is defined as the union of:"
msgstr ""

#: ../../reference/lexical_analysis.rst:587
msgid "``id_start`` (see above)"
msgstr ""

#: ../../reference/lexical_analysis.rst:588
msgid "Unicode category ``<Nd>`` - decimal numbers (includes ``0`` to ``9``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:589
msgid "Unicode category ``<Pc>`` - connector punctuations"
msgstr ""

#: ../../reference/lexical_analysis.rst:590
msgid "Unicode category ``<Mn>`` - nonspacing marks"
msgstr ""

#: ../../reference/lexical_analysis.rst:591
msgid "Unicode category ``<Mc>`` - spacing combining marks"
msgstr ""

#: ../../reference/lexical_analysis.rst:592
msgid ""
"``<Other_ID_Continue>`` - another explicit set of characters in `PropList."
"txt`_ to support backwards compatibility"
msgstr ""

#: ../../reference/lexical_analysis.rst:595
msgid "Again, ``xid_continue`` closes this set under NFKC normalization."
msgstr ""

#: ../../reference/lexical_analysis.rst:597
msgid ""
"Unicode categories use the version of the Unicode Character Database as "
"included in the :mod:`unicodedata` module."
msgstr ""

#: ../../reference/lexical_analysis.rst:607
msgid ":pep:`3131` -- Supporting Non-ASCII Identifiers"
msgstr ""

#: ../../reference/lexical_analysis.rst:608
msgid ":pep:`672` -- Unicode-related Security Considerations for Python"
msgstr ""

#: ../../reference/lexical_analysis.rst:614
msgid "Literals"
msgstr ""

#: ../../reference/lexical_analysis.rst:618
msgid "Literals are notations for constant values of some built-in types."
msgstr ""

#: ../../reference/lexical_analysis.rst:620
msgid ""
"In terms of lexical analysis, Python has :ref:`string, bytes <strings>` and :"
"ref:`numeric <numbers>` literals."
msgstr ""

#: ../../reference/lexical_analysis.rst:623
msgid ""
"Other \"literals\" are lexically denoted using :ref:`keywords <keywords>` "
"(``None``, ``True``, ``False``) and the special :ref:`ellipsis token "
"<lexical-ellipsis>` (``...``)."
msgstr ""

#: ../../reference/lexical_analysis.rst:634
msgid "String and Bytes literals"
msgstr ""

#: ../../reference/lexical_analysis.rst:636
msgid ""
"String literals are text enclosed in single quotes (``'``) or double quotes "
"(``\"``). For example:"
msgstr ""

#: ../../reference/lexical_analysis.rst:639
msgid ""
"\"spam\"\n"
"'eggs'"
msgstr ""
"\"spam\"\n"
"'eggs'"

#: ../../reference/lexical_analysis.rst:644
msgid ""
"The quote used to start the literal also terminates it, so a string literal "
"can only contain the other quote (except with escape sequences, see below). "
"For example:"
msgstr ""

#: ../../reference/lexical_analysis.rst:648
msgid ""
"'Say \"Hello\", please.'\n"
"\"Don't do that!\""
msgstr ""
"'Say \"Hello\", please.'\n"
"\"Don't do that!\""

#: ../../reference/lexical_analysis.rst:653
msgid ""
"Except for this limitation, the choice of quote character (``'`` or ``\"``) "
"does not affect how the literal is parsed."
msgstr ""

#: ../../reference/lexical_analysis.rst:656
msgid ""
"Inside a string literal, the backslash (``\\``) character introduces an :dfn:"
"`escape sequence`, which has special meaning depending on the character "
"after the backslash. For example, ``\\\"`` denotes the double quote "
"character, and does *not* end the string:"
msgstr ""

#: ../../reference/lexical_analysis.rst:662
msgid ""
">>> print(\"Say \\\"Hello\\\" to everyone!\")\n"
"Say \"Hello\" to everyone!"
msgstr ""
">>> print(\"Say \\\"Hello\\\" to everyone!\")\n"
"Say \"Hello\" to everyone!"

#: ../../reference/lexical_analysis.rst:667
msgid ""
"See :ref:`escape sequences <escape-sequences>` below for a full list of such "
"sequences, and more details."
msgstr ""

#: ../../reference/lexical_analysis.rst:676
msgid "Triple-quoted strings"
msgstr "三引號字串"

#: ../../reference/lexical_analysis.rst:678
msgid ""
"Strings can also be enclosed in matching groups of three single or double "
"quotes. These are generally referred to as :dfn:`triple-quoted strings`::"
msgstr ""

#: ../../reference/lexical_analysis.rst:682
msgid "\"\"\"This is a triple-quoted string.\"\"\""
msgstr "\"\"\"這是一個三引號字串。\"\"\""

#: ../../reference/lexical_analysis.rst:684
msgid ""
"In triple-quoted literals, unescaped quotes are allowed (and are retained), "
"except that three unescaped quotes in a row terminate the literal, if they "
"are of the same kind (``'`` or ``\"``) used at the start::"
msgstr ""

#: ../../reference/lexical_analysis.rst:688
msgid "\"\"\"This string has \"quotes\" inside.\"\"\""
msgstr "\"\"\"這個字串裡面有 \"引號\"。\"\"\""

#: ../../reference/lexical_analysis.rst:690
msgid "Unescaped newlines are also allowed and retained::"
msgstr ""

#: ../../reference/lexical_analysis.rst:692
msgid ""
"'''This triple-quoted string\n"
"continues on the next line.'''"
msgstr ""

#: ../../reference/lexical_analysis.rst:701
msgid "String prefixes"
msgstr ""

#: ../../reference/lexical_analysis.rst:703
msgid ""
"String literals can have an optional :dfn:`prefix` that influences how the "
"content of the literal is parsed, for example:"
msgstr ""

#: ../../reference/lexical_analysis.rst:706
msgid ""
"b\"data\"\n"
"f'{result=}'"
msgstr ""
"b\"data\"\n"
"f'{result=}'"

#: ../../reference/lexical_analysis.rst:711
msgid "The allowed prefixes are:"
msgstr ""

#: ../../reference/lexical_analysis.rst:713
msgid "``b``: :ref:`Bytes literal <bytes-literal>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:714
msgid "``r``: :ref:`Raw string <raw-strings>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:715
msgid "``f``: :ref:`Formatted string literal <f-strings>` (\"f-string\")"
msgstr ""

#: ../../reference/lexical_analysis.rst:716
msgid "``t``: :ref:`Template string literal <t-strings>` (\"t-string\")"
msgstr ""

#: ../../reference/lexical_analysis.rst:717
msgid "``u``: No effect (allowed for backwards compatibility)"
msgstr ""

#: ../../reference/lexical_analysis.rst:719
msgid "See the linked sections for details on each type."
msgstr ""

#: ../../reference/lexical_analysis.rst:721
msgid ""
"Prefixes are case-insensitive (for example, '``B``' works the same as "
"'``b``'). The '``r``' prefix can be combined with '``f``', '``t``' or "
"'``b``', so '``fr``', '``rf``', '``tr``', '``rt``', '``br``', and '``rb``' "
"are also valid prefixes."
msgstr ""

#: ../../reference/lexical_analysis.rst:725
msgid ""
"The ``'rb'`` prefix of raw bytes literals has been added as a synonym of "
"``'br'``."
msgstr ""

#: ../../reference/lexical_analysis.rst:729
msgid ""
"Support for the unicode legacy literal (``u'value'``) was reintroduced to "
"simplify the maintenance of dual Python 2.x and 3.x codebases. See :pep:"
"`414` for more information."
msgstr ""

#: ../../reference/lexical_analysis.rst:735
msgid "Formal grammar"
msgstr ""

#: ../../reference/lexical_analysis.rst:737
msgid ""
"String literals, except :ref:`\"f-strings\" <f-strings>` and :ref:`\"t-"
"strings\" <t-strings>`, are described by the following lexical definitions."
msgstr ""

#: ../../reference/lexical_analysis.rst:741
msgid ""
"These definitions use :ref:`negative lookaheads <lexical-lookaheads>` (``!"
"``) to indicate that an ending quote ends the literal."
msgstr ""

#: ../../reference/lexical_analysis.rst:759
msgid ""
"Note that as in all lexical definitions, whitespace is significant. In "
"particular, the prefix (if any) must be immediately followed by the starting "
"quote."
msgstr ""

#: ../../reference/lexical_analysis.rst:781
msgid "Escape sequences"
msgstr "跳脫序列"

#: ../../reference/lexical_analysis.rst:783
msgid ""
"Unless an '``r``' or '``R``' prefix is present, escape sequences in string "
"and bytes literals are interpreted according to rules similar to those used "
"by Standard C.  The recognized escape sequences are:"
msgstr ""

#: ../../reference/lexical_analysis.rst:791
msgid "Escape Sequence"
msgstr ""

#: ../../reference/lexical_analysis.rst:792
msgid "Meaning"
msgstr "含義"

#: ../../reference/lexical_analysis.rst:793
msgid "``\\``\\ <newline>"
msgstr "``\\``\\ <newline>"

#: ../../reference/lexical_analysis.rst:794
msgid ":ref:`string-escape-ignore`"
msgstr ":ref:`string-escape-ignore`"

#: ../../reference/lexical_analysis.rst:795
msgid "``\\\\``"
msgstr "``\\\\``"

#: ../../reference/lexical_analysis.rst:796
msgid ":ref:`Backslash <string-escape-escaped-char>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:797
msgid "``\\'``"
msgstr "``\\'``"

#: ../../reference/lexical_analysis.rst:798
msgid ":ref:`Single quote <string-escape-escaped-char>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:799
msgid "``\\\"``"
msgstr "``\\\"``"

#: ../../reference/lexical_analysis.rst:800
msgid ":ref:`Double quote <string-escape-escaped-char>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:801
msgid "``\\a``"
msgstr "``\\a``"

#: ../../reference/lexical_analysis.rst:802
msgid "ASCII Bell (BEL)"
msgstr ""

#: ../../reference/lexical_analysis.rst:803
msgid "``\\b``"
msgstr "``\\b``"

#: ../../reference/lexical_analysis.rst:804
msgid "ASCII Backspace (BS)"
msgstr ""

#: ../../reference/lexical_analysis.rst:805
msgid "``\\f``"
msgstr "``\\f``"

#: ../../reference/lexical_analysis.rst:806
msgid "ASCII Formfeed (FF)"
msgstr ""

#: ../../reference/lexical_analysis.rst:807
msgid "``\\n``"
msgstr "``\\n``"

#: ../../reference/lexical_analysis.rst:808
msgid "ASCII Linefeed (LF)"
msgstr ""

#: ../../reference/lexical_analysis.rst:809
msgid "``\\r``"
msgstr "``\\r``"

#: ../../reference/lexical_analysis.rst:810
msgid "ASCII Carriage Return (CR)"
msgstr ""

#: ../../reference/lexical_analysis.rst:811
msgid "``\\t``"
msgstr "``\\t``"

#: ../../reference/lexical_analysis.rst:812
msgid "ASCII Horizontal Tab (TAB)"
msgstr ""

#: ../../reference/lexical_analysis.rst:813
msgid "``\\v``"
msgstr "``\\v``"

#: ../../reference/lexical_analysis.rst:814
msgid "ASCII Vertical Tab (VT)"
msgstr ""

#: ../../reference/lexical_analysis.rst:815
msgid ":samp:`\\\\\\\\{ooo}`"
msgstr ":samp:`\\\\\\\\{ooo}`"

#: ../../reference/lexical_analysis.rst:816
msgid ":ref:`string-escape-oct`"
msgstr ":ref:`string-escape-oct`"

#: ../../reference/lexical_analysis.rst:817
msgid ":samp:`\\\\x{hh}`"
msgstr ":samp:`\\\\x{hh}`"

#: ../../reference/lexical_analysis.rst:818
msgid ":ref:`string-escape-hex`"
msgstr ":ref:`string-escape-hex`"

#: ../../reference/lexical_analysis.rst:819
msgid ":samp:`\\\\N\\\\{{name}\\\\}`"
msgstr ":samp:`\\\\N\\\\{{name}\\\\}`"

#: ../../reference/lexical_analysis.rst:820
msgid ":ref:`string-escape-named`"
msgstr ":ref:`string-escape-named`"

#: ../../reference/lexical_analysis.rst:821
msgid ":samp:`\\\\u{xxxx}`"
msgstr ":samp:`\\\\u{xxxx}`"

#: ../../reference/lexical_analysis.rst:822
#: ../../reference/lexical_analysis.rst:824
msgid ":ref:`Hexadecimal Unicode character <string-escape-long-hex>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:823
msgid ":samp:`\\\\U{xxxxxxxx}`"
msgstr ":samp:`\\\\U{xxxxxxxx}`"

#: ../../reference/lexical_analysis.rst:829
msgid "Ignored end of line"
msgstr ""

#: ../../reference/lexical_analysis.rst:831
msgid "A backslash can be added at the end of a line to ignore the newline::"
msgstr ""

#: ../../reference/lexical_analysis.rst:833
msgid ""
">>> 'This string will not include \\\n"
"... backslashes or newline characters.'\n"
"'This string will not include backslashes or newline characters.'"
msgstr ""

#: ../../reference/lexical_analysis.rst:837
msgid ""
"The same result can be achieved using :ref:`triple-quoted strings "
"<strings>`, or parentheses and :ref:`string literal concatenation <string-"
"concatenation>`."
msgstr ""

#: ../../reference/lexical_analysis.rst:843
msgid "Escaped characters"
msgstr "跳脫字元"

#: ../../reference/lexical_analysis.rst:845
msgid ""
"To include a backslash in a non-:ref:`raw <raw-strings>` Python string "
"literal, it must be doubled. The ``\\\\`` escape sequence denotes a single "
"backslash character::"
msgstr ""

#: ../../reference/lexical_analysis.rst:849
msgid ""
">>> print('C:\\\\Program Files')\n"
"C:\\Program Files"
msgstr ""
">>> print('C:\\\\Program Files')\n"
"C:\\Program Files"

#: ../../reference/lexical_analysis.rst:852
msgid ""
"Similarly, the ``\\'`` and ``\\\"`` sequences denote the single and double "
"quote character, respectively::"
msgstr ""

#: ../../reference/lexical_analysis.rst:855
msgid ""
">>> print('\\' and \\\"')\n"
"' and \""
msgstr ""
">>> print('\\' and \\\"')\n"
"' and \""

#: ../../reference/lexical_analysis.rst:861
msgid "Octal character"
msgstr "八進位字元"

#: ../../reference/lexical_analysis.rst:863
msgid ""
"The sequence :samp:`\\\\\\\\{ooo}` denotes a *character* with the octal "
"(base 8) value *ooo*::"
msgstr ""

#: ../../reference/lexical_analysis.rst:866
msgid ""
">>> '\\120'\n"
"'P'"
msgstr ""
">>> '\\120'\n"
"'P'"

#: ../../reference/lexical_analysis.rst:869
msgid "Up to three octal digits (0 through 7) are accepted."
msgstr ""

#: ../../reference/lexical_analysis.rst:871
#: ../../reference/lexical_analysis.rst:896
msgid ""
"In a bytes literal, *character* means a *byte* with the given value. In a "
"string literal, it means a Unicode character with the given value."
msgstr ""

#: ../../reference/lexical_analysis.rst:874
msgid ""
"Octal escapes with value larger than ``0o377`` (255) produce a :exc:"
"`DeprecationWarning`."
msgstr ""

#: ../../reference/lexical_analysis.rst:878
msgid ""
"Octal escapes with value larger than ``0o377`` (255) produce a :exc:"
"`SyntaxWarning`. In a future Python version they will raise a :exc:"
"`SyntaxError`."
msgstr ""

#: ../../reference/lexical_analysis.rst:886
msgid "Hexadecimal character"
msgstr "十六進位字元"

#: ../../reference/lexical_analysis.rst:888
msgid ""
"The sequence :samp:`\\\\x{hh}` denotes a *character* with the hex (base 16) "
"value *hh*::"
msgstr ""

#: ../../reference/lexical_analysis.rst:891
msgid ""
">>> '\\x50'\n"
"'P'"
msgstr ""
">>> '\\x50'\n"
"'P'"

#: ../../reference/lexical_analysis.rst:894
msgid "Unlike in Standard C, exactly two hex digits are required."
msgstr "與標準 C 不同，這裡需要剛好兩個十六進位數字。"

#: ../../reference/lexical_analysis.rst:902
msgid "Named Unicode character"
msgstr ""

#: ../../reference/lexical_analysis.rst:904
msgid ""
"The sequence :samp:`\\\\N\\\\{{name}\\\\}` denotes a Unicode character with "
"the given *name*::"
msgstr ""

#: ../../reference/lexical_analysis.rst:907
msgid ""
">>> '\\N{LATIN CAPITAL LETTER P}'\n"
"'P'\n"
">>> '\\N{SNAKE}'\n"
"'🐍'"
msgstr ""
">>> '\\N{LATIN CAPITAL LETTER P}'\n"
"'P'\n"
">>> '\\N{SNAKE}'\n"
"'🐍'"

#: ../../reference/lexical_analysis.rst:912
msgid "This sequence cannot appear in :ref:`bytes literals <bytes-literal>`."
msgstr ""

#: ../../reference/lexical_analysis.rst:914
msgid ""
"Support for `name aliases <https://www.unicode.org/Public/16.0.0/ucd/"
"NameAliases.txt>`__ has been added."
msgstr ""
"已新增對\\ `名稱別名 (name alias) <https://www.unicode.org/Public/16.0.0/ucd/"
"NameAliases.txt>`__\\ 的支援。"

#: ../../reference/lexical_analysis.rst:921
msgid "Hexadecimal Unicode characters"
msgstr "十六進位 Unicode 字元"

#: ../../reference/lexical_analysis.rst:923
msgid ""
"These sequences :samp:`\\\\u{xxxx}` and :samp:`\\\\U{xxxxxxxx}` denote the "
"Unicode character with the given hex (base 16) value. Exactly four digits "
"are required for ``\\u``; exactly eight digits are required for ``\\U``. The "
"latter can encode any Unicode character."
msgstr ""

#: ../../reference/lexical_analysis.rst:929
msgid ""
">>> '\\u1234'\n"
"'ሴ'\n"
">>> '\\U0001f40d'\n"
"'🐍'"
msgstr ""
">>> '\\u1234'\n"
"'ሴ'\n"
">>> '\\U0001f40d'\n"
"'🐍'"

#: ../../reference/lexical_analysis.rst:936
msgid "These sequences cannot appear in :ref:`bytes literals <bytes-literal>`."
msgstr ""

#: ../../reference/lexical_analysis.rst:942
msgid "Unrecognized escape sequences"
msgstr "無法辨識的跳脫序列"

#: ../../reference/lexical_analysis.rst:944
msgid ""
"Unlike in Standard C, all unrecognized escape sequences are left in the "
"string unchanged, that is, *the backslash is left in the result*::"
msgstr ""

#: ../../reference/lexical_analysis.rst:947
msgid ""
">>> print('\\q')\n"
"\\q\n"
">>> list('\\q')\n"
"['\\\\', 'q']"
msgstr ""
">>> print('\\q')\n"
"\\q\n"
">>> list('\\q')\n"
"['\\\\', 'q']"

#: ../../reference/lexical_analysis.rst:952
msgid ""
"Note that for bytes literals, the escape sequences only recognized in string "
"literals (``\\N...``, ``\\u...``, ``\\U...``) fall into the category of "
"unrecognized escapes."
msgstr ""

#: ../../reference/lexical_analysis.rst:956
msgid "Unrecognized escape sequences produce a :exc:`DeprecationWarning`."
msgstr ""

#: ../../reference/lexical_analysis.rst:959
msgid ""
"Unrecognized escape sequences produce a :exc:`SyntaxWarning`. In a future "
"Python version they will raise a :exc:`SyntaxError`."
msgstr ""

#: ../../reference/lexical_analysis.rst:972
msgid "Bytes literals"
msgstr "位元組常數"

#: ../../reference/lexical_analysis.rst:974
msgid ""
":dfn:`Bytes literals` are always prefixed with '``b``' or '``B``'; they "
"produce an instance of the :class:`bytes` type instead of the :class:`str` "
"type. They may only contain ASCII characters; bytes with a numeric value of "
"128 or greater must be expressed with escape sequences (typically :ref:"
"`string-escape-hex` or :ref:`string-escape-oct`):"
msgstr ""

#: ../../reference/lexical_analysis.rst:980
msgid ""
">>> b'\\x89PNG\\r\\n\\x1a\\n'\n"
"b'\\x89PNG\\r\\n\\x1a\\n'\n"
">>> list(b'\\x89PNG\\r\\n\\x1a\\n')\n"
"[137, 80, 78, 71, 13, 10, 26, 10]"
msgstr ""
">>> b'\\x89PNG\\r\\n\\x1a\\n'\n"
"b'\\x89PNG\\r\\n\\x1a\\n'\n"
">>> list(b'\\x89PNG\\r\\n\\x1a\\n')\n"
"[137, 80, 78, 71, 13, 10, 26, 10]"

#: ../../reference/lexical_analysis.rst:987
msgid ""
"Similarly, a zero byte must be expressed using an escape sequence (typically "
"``\\0`` or ``\\x00``)."
msgstr ""

#: ../../reference/lexical_analysis.rst:998
msgid "Raw string literals"
msgstr "原始字串常數"

#: ../../reference/lexical_analysis.rst:1000
msgid ""
"Both string and bytes literals may optionally be prefixed with a letter "
"'``r``' or '``R``'; such constructs are called :dfn:`raw string literals` "
"and :dfn:`raw bytes literals` respectively and treat backslashes as literal "
"characters. As a result, in raw string literals, :ref:`escape sequences "
"<escape-sequences>` are not treated specially:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1007
msgid ""
">>> r'\\d{4}-\\d{2}-\\d{2}'\n"
"'\\\\d{4}-\\\\d{2}-\\\\d{2}'"
msgstr ""
">>> r'\\d{4}-\\d{2}-\\d{2}'\n"
"'\\\\d{4}-\\\\d{2}-\\\\d{2}'"

#: ../../reference/lexical_analysis.rst:1012
msgid ""
"Even in a raw literal, quotes can be escaped with a backslash, but the "
"backslash remains in the result; for example, ``r\"\\\"\"`` is a valid "
"string literal consisting of two characters: a backslash and a double quote; "
"``r\"\\\"`` is not a valid string literal (even a raw string cannot end in "
"an odd number of backslashes).  Specifically, *a raw literal cannot end in a "
"single backslash* (since the backslash would escape the following quote "
"character).  Note also that a single backslash followed by a newline is "
"interpreted as those two characters as part of the literal, *not* as a line "
"continuation."
msgstr ""

#: ../../reference/lexical_analysis.rst:1040
msgid "f-strings"
msgstr "f-string（f 字串）"

#: ../../reference/lexical_analysis.rst:1043
msgid ""
"The :keyword:`await` and :keyword:`async for` can be used in expressions "
"within f-strings."
msgstr ""

#: ../../reference/lexical_analysis.rst:1046
msgid "Added the debug specifier (``=``)"
msgstr ""

#: ../../reference/lexical_analysis.rst:1048
msgid ""
"Many restrictions on expressions within f-strings have been removed. "
"Notably, nested strings, comments, and backslashes are now permitted."
msgstr ""

#: ../../reference/lexical_analysis.rst:1052
msgid ""
"A :dfn:`formatted string literal` or :dfn:`f-string` is a string literal "
"that is prefixed with '``f``' or '``F``'. Unlike other string literals, f-"
"strings do not have a constant value. They may contain *replacement fields* "
"delimited by curly braces ``{}``. Replacement fields contain expressions "
"which are evaluated at run time. For example::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1059
msgid ""
">>> who = 'nobody'\n"
">>> nationality = 'Spanish'\n"
">>> f'{who.title()} expects the {nationality} Inquisition!'\n"
"'Nobody expects the Spanish Inquisition!'"
msgstr ""
">>> who = 'nobody'\n"
">>> nationality = 'Spanish'\n"
">>> f'{who.title()} expects the {nationality} Inquisition!'\n"
"'Nobody expects the Spanish Inquisition!'"

#: ../../reference/lexical_analysis.rst:1064
msgid ""
"Any doubled curly braces (``{{`` or ``}}``) outside replacement fields are "
"replaced with the corresponding single curly brace::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1067
msgid ""
">>> print(f'{{...}}')\n"
"{...}"
msgstr ""
">>> print(f'{{...}}')\n"
"{...}"

#: ../../reference/lexical_analysis.rst:1070
msgid ""
"Other characters outside replacement fields are treated like in ordinary "
"string literals. This means that escape sequences are decoded (except when a "
"literal is also marked as a raw string), and newlines are possible in triple-"
"quoted f-strings::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1076
msgid ""
">>> name = 'Galahad'\n"
">>> favorite_color = 'blue'\n"
">>> print(f'{name}:\\t{favorite_color}')\n"
"Galahad:       blue\n"
">>> print(rf\"C:\\Users\\{name}\")\n"
"C:\\Users\\Galahad\n"
">>> print(f'''Three shall be the number of the counting\n"
"... and the number of the counting shall be three.''')\n"
"Three shall be the number of the counting\n"
"and the number of the counting shall be three."
msgstr ""

#: ../../reference/lexical_analysis.rst:1087
msgid ""
"Expressions in formatted string literals are treated like regular Python "
"expressions. Each expression is evaluated in the context where the formatted "
"string literal appears, in order from left to right. An empty expression is "
"not allowed, and both :keyword:`lambda` and assignment expressions ``:=`` "
"must be surrounded by explicit parentheses::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1094
msgid ""
">>> f'{(half := 1/2)}, {half * 42}'\n"
"'0.5, 21.0'"
msgstr ""
">>> f'{(half := 1/2)}, {half * 42}'\n"
"'0.5, 21.0'"

#: ../../reference/lexical_analysis.rst:1097
msgid ""
"Reusing the outer f-string quoting type inside a replacement field is "
"permitted::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1100
msgid ""
">>> a = dict(x=2)\n"
">>> f\"abc {a[\"x\"]} def\"\n"
"'abc 2 def'"
msgstr ""
">>> a = dict(x=2)\n"
">>> f\"abc {a[\"x\"]} def\"\n"
"'abc 2 def'"

#: ../../reference/lexical_analysis.rst:1104
msgid ""
"Backslashes are also allowed in replacement fields and are evaluated the "
"same way as in any other context::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1107
msgid ""
">>> a = [\"a\", \"b\", \"c\"]\n"
">>> print(f\"List a contains:\\n{\"\\n\".join(a)}\")\n"
"List a contains:\n"
"a\n"
"b\n"
"c"
msgstr ""
">>> a = [\"a\", \"b\", \"c\"]\n"
">>> print(f\"List a contains:\\n{\"\\n\".join(a)}\")\n"
"List a contains:\n"
"a\n"
"b\n"
"c"

#: ../../reference/lexical_analysis.rst:1114
msgid "It is possible to nest f-strings::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1116
msgid ""
">>> name = 'world'\n"
">>> f'Repeated:{f' hello {name}' * 3}'\n"
"'Repeated: hello world hello world hello world'"
msgstr ""
">>> name = 'world'\n"
">>> f'Repeated:{f' hello {name}' * 3}'\n"
"'Repeated: hello world hello world hello world'"

#: ../../reference/lexical_analysis.rst:1120
msgid "Portable Python programs should not use more than 5 levels of nesting."
msgstr ""

#: ../../reference/lexical_analysis.rst:1124
msgid "CPython does not limit nesting of f-strings."
msgstr ""

#: ../../reference/lexical_analysis.rst:1126
msgid ""
"Replacement expressions can contain newlines in both single-quoted and "
"triple-quoted f-strings and they can contain comments. Everything that comes "
"after a ``#`` inside a replacement field is a comment (even closing braces "
"and quotes). This means that replacement fields with comments must be closed "
"in a different line:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1133
msgid ""
">>> a = 2\n"
">>> f\"abc{a  # This comment  }\"  continues until the end of the line\n"
"...       + 3}\"\n"
"'abc5'"
msgstr ""

#: ../../reference/lexical_analysis.rst:1140
msgid "After the expression, replacement fields may optionally contain:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1142
msgid ""
"a *debug specifier* -- an equal sign (``=``), optionally surrounded by "
"whitespace on one or both sides;"
msgstr ""

#: ../../reference/lexical_analysis.rst:1144
msgid "a *conversion specifier* -- ``!s``, ``!r`` or ``!a``; and/or"
msgstr ""

#: ../../reference/lexical_analysis.rst:1145
msgid "a *format specifier* prefixed with a colon (``:``)."
msgstr ""

#: ../../reference/lexical_analysis.rst:1147
msgid ""
"See the :ref:`Standard Library section on f-strings <stdtypes-fstrings>` for "
"details on how these fields are evaluated."
msgstr ""

#: ../../reference/lexical_analysis.rst:1150
msgid ""
"As that section explains, *format specifiers* are passed as the second "
"argument to the :func:`format` function to format a replacement field value. "
"For example, they can be used to specify a field width and padding "
"characters using the :ref:`Format Specification Mini-Language <formatspec>`::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1155
msgid ""
">>> number = 14.3\n"
">>> f'{number:20.7f}'\n"
"'          14.3000000'"
msgstr ""
">>> number = 14.3\n"
">>> f'{number:20.7f}'\n"
"'          14.3000000'"

#: ../../reference/lexical_analysis.rst:1159
msgid "Top-level format specifiers may include nested replacement fields::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1161
msgid ""
">>> field_size = 20\n"
">>> precision = 7\n"
">>> f'{number:{field_size}.{precision}f}'\n"
"'          14.3000000'"
msgstr ""
">>> field_size = 20\n"
">>> precision = 7\n"
">>> f'{number:{field_size}.{precision}f}'\n"
"'          14.3000000'"

#: ../../reference/lexical_analysis.rst:1166
msgid ""
"These nested fields may include their own conversion fields and :ref:`format "
"specifiers <formatspec>`::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1169
msgid ""
">>> number = 3\n"
">>> f'{number:{field_size}}'\n"
"'                   3'\n"
">>> f'{number:{field_size:05}}'\n"
"'00000000000000000003'"
msgstr ""
">>> number = 3\n"
">>> f'{number:{field_size}}'\n"
"'                   3'\n"
">>> f'{number:{field_size:05}}'\n"
"'00000000000000000003'"

#: ../../reference/lexical_analysis.rst:1175
msgid ""
"However, these nested fields may not include more deeply nested replacement "
"fields."
msgstr ""

#: ../../reference/lexical_analysis.rst:1178
msgid ""
"Formatted string literals cannot be used as :term:`docstrings <docstring>`, "
"even if they do not include expressions::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1181
msgid ""
">>> def foo():\n"
"...     f\"Not a docstring\"\n"
"...\n"
">>> print(foo.__doc__)\n"
"None"
msgstr ""
">>> def foo():\n"
"...     f\"Not a docstring\"\n"
"...\n"
">>> print(foo.__doc__)\n"
"None"

#: ../../reference/lexical_analysis.rst:1189
msgid ":pep:`498` -- Literal String Interpolation"
msgstr ""

#: ../../reference/lexical_analysis.rst:1190
msgid ":pep:`701` -- Syntactic formalization of f-strings"
msgstr ""

#: ../../reference/lexical_analysis.rst:1191
msgid ":meth:`str.format`, which uses a related format string mechanism."
msgstr ""

#: ../../reference/lexical_analysis.rst:1198
msgid "t-strings"
msgstr "t-string（t 字串）"

#: ../../reference/lexical_analysis.rst:1202
msgid ""
"A :dfn:`template string literal` or :dfn:`t-string` is a string literal that "
"is prefixed with '``t``' or '``T``'. These strings follow the same syntax "
"rules as :ref:`formatted string literals <f-strings>`. For differences in "
"evaluation rules, see the :ref:`Standard Library section on t-strings "
"<stdtypes-tstrings>`"
msgstr ""

#: ../../reference/lexical_analysis.rst:1211
msgid "Formal grammar for f-strings"
msgstr ""

#: ../../reference/lexical_analysis.rst:1213
msgid ""
"F-strings are handled partly by the :term:`lexical analyzer`, which produces "
"the tokens :py:data:`~token.FSTRING_START`, :py:data:`~token.FSTRING_MIDDLE` "
"and :py:data:`~token.FSTRING_END`, and partly by the parser, which handles "
"expressions in the replacement field. The exact way the work is split is a "
"CPython implementation detail."
msgstr ""

#: ../../reference/lexical_analysis.rst:1219
msgid ""
"Correspondingly, the f-string grammar is a mix of :ref:`lexical and "
"syntactic definitions <notation-lexical-vs-syntactic>`."
msgstr ""

#: ../../reference/lexical_analysis.rst:1222
msgid "Whitespace is significant in these situations:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1224
msgid ""
"There may be no whitespace in :py:data:`~token.FSTRING_START` (between the "
"prefix and quote)."
msgstr ""

#: ../../reference/lexical_analysis.rst:1226
msgid ""
"Whitespace in :py:data:`~token.FSTRING_MIDDLE` is part of the literal string "
"contents."
msgstr ""

#: ../../reference/lexical_analysis.rst:1228
msgid ""
"In ``fstring_replacement_field``, if ``f_debug_specifier`` is present, all "
"whitespace after the opening brace until the ``f_debug_specifier``, as well "
"as whitespace immediately following ``f_debug_specifier``, is retained as "
"part of the expression."
msgstr ""

#: ../../reference/lexical_analysis.rst:1235
msgid ""
"The expression is not handled in the tokenization phase; it is retrieved "
"from the source code using locations of the ``{`` token and the token after "
"``=``."
msgstr ""

#: ../../reference/lexical_analysis.rst:1240
msgid ""
"The ``FSTRING_MIDDLE`` definition uses :ref:`negative lookaheads <lexical-"
"lookaheads>` (``!``) to indicate special characters (backslash, newline, "
"``{``, ``}``) and sequences (``f_quote``)."
msgstr ""

#: ../../reference/lexical_analysis.rst:1281
msgid ""
"In the above grammar snippet, the ``f_quote`` and ``FSTRING_MIDDLE`` rules "
"are context-sensitive -- they depend on the contents of ``FSTRING_START`` of "
"the nearest enclosing ``fstring``."
msgstr ""

#: ../../reference/lexical_analysis.rst:1285
msgid ""
"Constructing a more traditional formal grammar from this template is left as "
"an exercise for the reader."
msgstr ""

#: ../../reference/lexical_analysis.rst:1288
msgid ""
"The grammar for t-strings is identical to the one for f-strings, with *t* "
"instead of *f* at the beginning of rule and token names and in the prefix."
msgstr ""

#: ../../reference/lexical_analysis.rst:1302
msgid "Numeric literals"
msgstr ""

#: ../../reference/lexical_analysis.rst:1308
msgid ""
":data:`~token.NUMBER` tokens represent numeric literals, of which there are "
"three types: integers, floating-point numbers, and imaginary numbers."
msgstr ""

#: ../../reference/lexical_analysis.rst:1316
msgid ""
"The numeric value of a numeric literal is the same as if it were passed as a "
"string to the :class:`int`, :class:`float` or :class:`complex` class "
"constructor, respectively. Note that not all valid inputs for those "
"constructors are also valid literals."
msgstr ""

#: ../../reference/lexical_analysis.rst:1321
msgid ""
"Numeric literals do not include a sign; a phrase like ``-1`` is actually an "
"expression composed of the unary operator '``-``' and the literal ``1``."
msgstr ""

#: ../../reference/lexical_analysis.rst:1335
msgid "Integer literals"
msgstr ""

#: ../../reference/lexical_analysis.rst:1337
msgid "Integer literals denote whole numbers. For example::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1339
msgid ""
"7\n"
"3\n"
"2147483647"
msgstr ""
"7\n"
"3\n"
"2147483647"

#: ../../reference/lexical_analysis.rst:1343
msgid ""
"There is no limit for the length of integer literals apart from what can be "
"stored in available memory::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1346
msgid "7922816251426433759354395033679228162514264337593543950336"
msgstr "7922816251426433759354395033679228162514264337593543950336"

#: ../../reference/lexical_analysis.rst:1348
msgid ""
"Underscores can be used to group digits for enhanced readability, and are "
"ignored for determining the numeric value of the literal. For example, the "
"following literals are equivalent::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1352
msgid ""
"100_000_000_000\n"
"100000000000\n"
"1_00_00_00_00_000"
msgstr ""
"100_000_000_000\n"
"100000000000\n"
"1_00_00_00_00_000"

#: ../../reference/lexical_analysis.rst:1356
msgid ""
"Underscores can only occur between digits. For example, ``_123``, ``321_``, "
"and ``123__321`` are *not* valid literals."
msgstr ""

#: ../../reference/lexical_analysis.rst:1359
msgid ""
"Integers can be specified in binary (base 2), octal (base 8), or hexadecimal "
"(base 16) using the prefixes ``0b``, ``0o`` and ``0x``, respectively. "
"Hexadecimal digits 10 through 15 are represented by letters ``A``-``F``, "
"case-insensitive.  For example::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1364
msgid ""
"0b100110111\n"
"0b_1110_0101\n"
"0o177\n"
"0o377\n"
"0xdeadbeef\n"
"0xDead_Beef"
msgstr ""
"0b100110111\n"
"0b_1110_0101\n"
"0o177\n"
"0o377\n"
"0xdeadbeef\n"
"0xDead_Beef"

#: ../../reference/lexical_analysis.rst:1371
msgid ""
"An underscore can follow the base specifier. For example, ``0x_1f`` is a "
"valid literal, but ``0_x1f`` and ``0x__1f`` are not."
msgstr ""

#: ../../reference/lexical_analysis.rst:1375
msgid ""
"Leading zeros in a non-zero decimal number are not allowed. For example, "
"``0123`` is not a valid literal. This is for disambiguation with C-style "
"octal literals, which Python used before version 3.0."
msgstr ""

#: ../../reference/lexical_analysis.rst:1380
msgid ""
"Formally, integer literals are described by the following lexical "
"definitions:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1397
#: ../../reference/lexical_analysis.rst:1461
msgid "Underscores are now allowed for grouping purposes in literals."
msgstr ""

#: ../../reference/lexical_analysis.rst:1408
msgid "Floating-point literals"
msgstr "浮點數常數 (Floating-point literals)"

#: ../../reference/lexical_analysis.rst:1410
msgid ""
"Floating-point (float) literals, such as ``3.14`` or ``1.5``, denote :ref:"
"`approximations of real numbers <datamodel-float>`."
msgstr ""

#: ../../reference/lexical_analysis.rst:1413
msgid ""
"They consist of *integer* and *fraction* parts, each composed of decimal "
"digits. The parts are separated by a decimal point, ``.``::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1416
msgid ""
"2.71828\n"
"4.0"
msgstr ""
"2.71828\n"
"4.0"

#: ../../reference/lexical_analysis.rst:1419
msgid ""
"Unlike in integer literals, leading zeros are allowed. For example, "
"``077.010`` is legal, and denotes the same number as ``77.01``."
msgstr ""

#: ../../reference/lexical_analysis.rst:1422
msgid ""
"As in integer literals, single underscores may occur between digits to help "
"readability::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1425
msgid ""
"96_485.332_123\n"
"3.14_15_93"
msgstr ""
"96_485.332_123\n"
"3.14_15_93"

#: ../../reference/lexical_analysis.rst:1428
msgid "Either of these parts, but not both, can be empty. For example::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1430
msgid ""
"10.  # (equivalent to 10.0)\n"
".001  # (equivalent to 0.001)"
msgstr ""
"10.  # （相當於 10.0）\n"
".001  # （相當於 0.001）"

#: ../../reference/lexical_analysis.rst:1433
msgid ""
"Optionally, the integer and fraction may be followed by an *exponent*: the "
"letter ``e`` or ``E``, followed by an optional sign, ``+`` or ``-``, and a "
"number in the same format as the integer and fraction parts. The ``e`` or "
"``E`` represents \"times ten raised to the power of\"::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1438
msgid ""
"1.0e3  # (represents 1.0×10³, or 1000.0)\n"
"1.166e-5  # (represents 1.166×10⁻⁵, or 0.00001166)\n"
"6.02214076e+23  # (represents 6.02214076×10²³, or 602214076000000000000000.)"
msgstr ""

#: ../../reference/lexical_analysis.rst:1442
msgid ""
"In floats with only integer and exponent parts, the decimal point may be "
"omitted::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1445
msgid ""
"1e3  # (equivalent to 1.e3 and 1.0e3)\n"
"0e0  # (equivalent to 0.)"
msgstr ""
"1e3  # （相當於 1.e3 和 1.0e3）\n"
"0e0  # （相當於 0.）"

#: ../../reference/lexical_analysis.rst:1448
msgid ""
"Formally, floating-point literals are described by the following lexical "
"definitions:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1470
msgid "Imaginary literals"
msgstr ""

#: ../../reference/lexical_analysis.rst:1472
msgid ""
"Python has :ref:`complex number <typesnumeric>` objects, but no complex "
"literals. Instead, *imaginary literals* denote complex numbers with a zero "
"real part."
msgstr ""

#: ../../reference/lexical_analysis.rst:1477
msgid ""
"For example, in math, the complex number 3+4.2\\ *i* is written as the real "
"number 3 added to the imaginary number 4.2\\ *i*. Python uses a similar "
"syntax, except the imaginary unit is written as ``j`` rather than *i*::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1482
msgid "3+4.2j"
msgstr "3+4.2j"

#: ../../reference/lexical_analysis.rst:1484
msgid ""
"This is an expression composed of the :ref:`integer literal <integers>` "
"``3``, the :ref:`operator <operators>` '``+``', and the :ref:`imaginary "
"literal <imaginary>` ``4.2j``. Since these are three separate tokens, "
"whitespace is allowed between them::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1490
msgid "3 + 4.2j"
msgstr "3 + 4.2j"

#: ../../reference/lexical_analysis.rst:1492
msgid ""
"No whitespace is allowed *within* each token. In particular, the ``j`` "
"suffix, may not be separated from the number before it."
msgstr ""

#: ../../reference/lexical_analysis.rst:1496
msgid ""
"The number before the ``j`` has the same syntax as a floating-point literal. "
"Thus, the following are valid imaginary literals::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1499
msgid ""
"4.2j\n"
"3.14j\n"
"10.j\n"
".001j\n"
"1e100j\n"
"3.14e-10j\n"
"3.14_15_93j"
msgstr ""
"4.2j\n"
"3.14j\n"
"10.j\n"
".001j\n"
"1e100j\n"
"3.14e-10j\n"
"3.14_15_93j"

#: ../../reference/lexical_analysis.rst:1507
msgid ""
"Unlike in a floating-point literal the decimal point can be omitted if the "
"imaginary number only has an integer part. The number is still evaluated as "
"a floating-point number, not an integer::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1511
msgid ""
"10j\n"
"0j\n"
"1000000000000000000000000j   # equivalent to 1e+24j"
msgstr ""
"10j\n"
"0j\n"
"1000000000000000000000000j   # 相當於 1e+24j"

#: ../../reference/lexical_analysis.rst:1515
msgid ""
"The ``j`` suffix is case-insensitive. That means you can use ``J`` instead::"
msgstr ""

#: ../../reference/lexical_analysis.rst:1518
msgid "3.14J   # equivalent to 3.14j"
msgstr ""

#: ../../reference/lexical_analysis.rst:1520
msgid ""
"Formally, imaginary literals are described by the following lexical "
"definition:"
msgstr ""

#: ../../reference/lexical_analysis.rst:1533
msgid "Operators and delimiters"
msgstr ""

#: ../../reference/lexical_analysis.rst:1539
msgid ""
"The following grammar defines :dfn:`operator` and :dfn:`delimiter` tokens, "
"that is, the generic :data:`~token.OP` token type. A :ref:`list of these "
"tokens and their names <token_operators_delimiters>` is also available in "
"the :mod:`!token` module documentation."
msgstr ""

#: ../../reference/lexical_analysis.rst:1568
msgid ""
"Generally, *operators* are used to combine :ref:`expressions <expressions>`, "
"while *delimiters* serve other purposes. However, there is no clear, formal "
"distinction between the two categories."
msgstr ""

#: ../../reference/lexical_analysis.rst:1572
msgid ""
"Some tokens can serve as either operators or delimiters, depending on usage. "
"For example, ``*`` is both the multiplication operator and a delimiter used "
"for sequence unpacking, and ``@`` is both the matrix multiplication and a "
"delimiter that introduces decorators."
msgstr ""

#: ../../reference/lexical_analysis.rst:1577
msgid ""
"For some tokens, the distinction is unclear. For example, some people "
"consider ``.``, ``(``, and ``)`` to be delimiters, while others see the :py:"
"func:`getattr` operator and the function call operator(s)."
msgstr ""

#: ../../reference/lexical_analysis.rst:1581
msgid ""
"Some of Python's operators, like ``and``, ``or``, and ``not in``, use :ref:"
"`keyword <keywords>` tokens rather than \"symbols\" (operator tokens)."
msgstr ""

#: ../../reference/lexical_analysis.rst:1584
msgid ""
"A sequence of three consecutive periods (``...``) has a special meaning as "
"an :py:data:`Ellipsis` literal."
msgstr ""

#: ../../reference/lexical_analysis.rst:8
msgid "lexical analysis"
msgstr "lexical analysis（詞法分析）"

#: ../../reference/lexical_analysis.rst:8
msgid "parser"
msgstr "parser（剖析器）"

#: ../../reference/lexical_analysis.rst:8
msgid "token"
msgstr "token"

#: ../../reference/lexical_analysis.rst:90
msgid "line structure"
msgstr "line structure（列結構）"

#: ../../reference/lexical_analysis.rst:100
msgid "logical line"
msgstr "logical line（邏輯列）"

#: ../../reference/lexical_analysis.rst:100
#: ../../reference/lexical_analysis.rst:205
#: ../../reference/lexical_analysis.rst:763
msgid "physical line"
msgstr "physical line（物理列）"

#: ../../reference/lexical_analysis.rst:100
#: ../../reference/lexical_analysis.rst:205
msgid "line joining"
msgstr "line joining（列連接）"

#: ../../reference/lexical_analysis.rst:100
msgid "NEWLINE token"
msgstr "NEWLINE token（換行標誌）"

#: ../../reference/lexical_analysis.rst:146
msgid "comment"
msgstr "comment（註解）"

#: ../../reference/lexical_analysis.rst:146
msgid "hash character"
msgstr "hash character（井字號）"

#: ../../reference/lexical_analysis.rst:146
#: ../../reference/lexical_analysis.rst:160
msgid "# (hash)"
msgstr "# （井字號）"

#: ../../reference/lexical_analysis.rst:160
msgid "source character set"
msgstr "source character set（原始字元集合）"

#: ../../reference/lexical_analysis.rst:160
msgid "encoding declarations (source file)"
msgstr "encoding declarations (source file)（編碼宣告（原始檔案））"

#: ../../reference/lexical_analysis.rst:160
msgid "source encoding declaration"
msgstr "source encoding declaration（原始編碼宣告）"

#: ../../reference/lexical_analysis.rst:205
msgid "line continuation"
msgstr "line continuation（列延續）"

#: ../../reference/lexical_analysis.rst:205
msgid "backslash character"
msgstr "backslash character（反斜線字元）"

#: ../../reference/lexical_analysis.rst:250
msgid "blank line"
msgstr "blank line（空白列）"

#: ../../reference/lexical_analysis.rst:266
msgid "indentation"
msgstr "indentation（縮排）"

#: ../../reference/lexical_analysis.rst:266
msgid "leading whitespace"
msgstr "leading whitespace（前置空白）"

#: ../../reference/lexical_analysis.rst:266
msgid "grouping"
msgstr "grouping（群組）"

#: ../../reference/lexical_analysis.rst:266
msgid "statement grouping"
msgstr "statement grouping（陳述式群組）"

#: ../../reference/lexical_analysis.rst:294
msgid "INDENT token"
msgstr "INDENT token（縮排標誌）"

#: ../../reference/lexical_analysis.rst:294
msgid "DEDENT token"
msgstr "DEDENT token（縮排標誌）"

#: ../../reference/lexical_analysis.rst:392
msgid "identifier"
msgstr "identifier（識別器）"

#: ../../reference/lexical_analysis.rst:392
msgid "name"
msgstr "name（名稱）"

#: ../../reference/lexical_analysis.rst:427
#: ../../reference/lexical_analysis.rst:451
msgid "keyword"
msgstr "keyword（關鍵字）"

#: ../../reference/lexical_analysis.rst:427
msgid "reserved word"
msgstr "reserved word（保留字）"

#: ../../reference/lexical_analysis.rst:451
msgid "soft keyword"
msgstr "soft keyword（軟關鍵字）"

#: ../../reference/lexical_analysis.rst:471
msgid "_, identifiers"
msgstr "_, identifiers（識別器）"

#: ../../reference/lexical_analysis.rst:471
msgid "__, identifiers"
msgstr "__, identifiers（識別器）"

#: ../../reference/lexical_analysis.rst:616
msgid "literal"
msgstr "literal（常數）"

#: ../../reference/lexical_analysis.rst:616
msgid "constant"
msgstr "constant（常數）"

#: ../../reference/lexical_analysis.rst:628
#: ../../reference/lexical_analysis.rst:671
#: ../../reference/lexical_analysis.rst:696
msgid "string literal"
msgstr "string literal（字串常數）"

#: ../../reference/lexical_analysis.rst:628
#: ../../reference/lexical_analysis.rst:964
msgid "bytes literal"
msgstr "bytes literal（位元組常數）"

#: ../../reference/lexical_analysis.rst:628
msgid "ASCII"
msgstr "ASCII"

#: ../../reference/lexical_analysis.rst:628
msgid "' (single quote)"
msgstr "' （單引號）"

#: ../../reference/lexical_analysis.rst:628
msgid "\" (double quote)"
msgstr "\" （雙引號）"

#: ../../reference/lexical_analysis.rst:671
msgid "triple-quoted string"
msgstr "triple-quoted string（三引號字串）"

#: ../../reference/lexical_analysis.rst:671
msgid "\"\"\""
msgstr "\"\"\""

#: ../../reference/lexical_analysis.rst:671
msgid "'''"
msgstr "'''"

#: ../../reference/lexical_analysis.rst:696
msgid "u'"
msgstr "u'"

#: ../../reference/lexical_analysis.rst:696
msgid "u\""
msgstr "u\""

#: ../../reference/lexical_analysis.rst:763
msgid "escape sequence"
msgstr "escape sequence（跳脫序列）"

#: ../../reference/lexical_analysis.rst:763
msgid "Standard C"
msgstr "Standard C（標準 C）"

#: ../../reference/lexical_analysis.rst:763
msgid "C"
msgstr "C"

#: ../../reference/lexical_analysis.rst:763
msgid "\\ (backslash)"
msgstr "\\ （反斜線）"

#: ../../reference/lexical_analysis.rst:763
msgid "\\\\"
msgstr "\\\\"

#: ../../reference/lexical_analysis.rst:763
msgid "\\a"
msgstr "\\a"

#: ../../reference/lexical_analysis.rst:763
msgid "\\b"
msgstr "\\b"

#: ../../reference/lexical_analysis.rst:763
msgid "\\f"
msgstr "\\f"

#: ../../reference/lexical_analysis.rst:763
msgid "\\n"
msgstr "\\n"

#: ../../reference/lexical_analysis.rst:763
msgid "\\r"
msgstr "\\r"

#: ../../reference/lexical_analysis.rst:763
msgid "\\t"
msgstr "\\t"

#: ../../reference/lexical_analysis.rst:763
msgid "\\v"
msgstr "\\v"

#: ../../reference/lexical_analysis.rst:763
msgid "\\x"
msgstr "\\x"

#: ../../reference/lexical_analysis.rst:763
msgid "\\N"
msgstr "\\N"

#: ../../reference/lexical_analysis.rst:763
msgid "\\u"
msgstr "\\u"

#: ../../reference/lexical_analysis.rst:763
msgid "\\U"
msgstr "\\U"

#: ../../reference/lexical_analysis.rst:939
msgid "unrecognized escape sequence"
msgstr "unrecognized escape sequence（無法辨識的跳脫序列）"

#: ../../reference/lexical_analysis.rst:964
msgid "b'"
msgstr "b'"

#: ../../reference/lexical_analysis.rst:964
msgid "b\""
msgstr "b\""

#: ../../reference/lexical_analysis.rst:991
msgid "r'"
msgstr "r'"

#: ../../reference/lexical_analysis.rst:991
msgid "raw string literal"
msgstr "raw string literal（原始字串常數）"

#: ../../reference/lexical_analysis.rst:991
msgid "r\""
msgstr "r\""

#: ../../reference/lexical_analysis.rst:1022
msgid "formatted string literal"
msgstr "formatted string literal（格式化字串常數）"

#: ../../reference/lexical_analysis.rst:1022
msgid "interpolated string literal"
msgstr "interpolated string literal（插值字串常數）"

#: ../../reference/lexical_analysis.rst:1022
msgid "string"
msgstr "string（字串）"

#: ../../reference/lexical_analysis.rst:1022
msgid "formatted literal"
msgstr "formatted literal（格式化常數）"

#: ../../reference/lexical_analysis.rst:1022
msgid "interpolated literal"
msgstr "interpolated literal（插值常數）"

#: ../../reference/lexical_analysis.rst:1022
msgid "f-string"
msgstr "f-string（f 字串）"

#: ../../reference/lexical_analysis.rst:1022
msgid "fstring"
msgstr "fstring（f 字串）"

#: ../../reference/lexical_analysis.rst:1022
msgid "f'"
msgstr "f'"

#: ../../reference/lexical_analysis.rst:1022
msgid "f\""
msgstr "f\""

#: ../../reference/lexical_analysis.rst:1022
msgid "{} (curly brackets)"
msgstr "{} （花括號）"

#: ../../reference/lexical_analysis.rst:1022
msgid "in formatted string literal"
msgstr "於格式化字串常數中"

#: ../../reference/lexical_analysis.rst:1022
msgid "! (exclamation)"
msgstr "! （驚嘆號）"

#: ../../reference/lexical_analysis.rst:1022
msgid ": (colon)"
msgstr ": （冒號）"

#: ../../reference/lexical_analysis.rst:1022
msgid "= (equals)"
msgstr "= （等號）"

#: ../../reference/lexical_analysis.rst:1022
msgid "for help in debugging using string literals"
msgstr "for help in debugging using string literals（使用字串常數進行除錯）"

#: ../../reference/lexical_analysis.rst:1304
msgid "number"
msgstr "number（數字）"

#: ../../reference/lexical_analysis.rst:1304
msgid "numeric literal"
msgstr "numeric literal（數值常數）"

#: ../../reference/lexical_analysis.rst:1304
#: ../../reference/lexical_analysis.rst:1326
msgid "integer literal"
msgstr "integer literal（整數常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "floating-point literal"
msgstr "floating-point literal（浮點數常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "hexadecimal literal"
msgstr "hexadecimal literal（十六進位常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "octal literal"
msgstr "octal literal（八進位常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "binary literal"
msgstr "binary literal（二進位常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "decimal literal"
msgstr "decimal literal（十進位常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "imaginary literal"
msgstr "imaginary literal（虛數常數）"

#: ../../reference/lexical_analysis.rst:1304
msgid "complex literal"
msgstr "complex literal（複數常數）"

#: ../../reference/lexical_analysis.rst:1326
msgid "0b"
msgstr "0b"

#: ../../reference/lexical_analysis.rst:1326
msgid "0o"
msgstr "0o"

#: ../../reference/lexical_analysis.rst:1326
msgid "0x"
msgstr "0x"

#: ../../reference/lexical_analysis.rst:1326
#: ../../reference/lexical_analysis.rst:1401
msgid "_ (underscore)"
msgstr "_ （底線）"

#: ../../reference/lexical_analysis.rst:1326
#: ../../reference/lexical_analysis.rst:1401
#: ../../reference/lexical_analysis.rst:1465
msgid "in numeric literal"
msgstr "於數值常數中"

#: ../../reference/lexical_analysis.rst:1401
msgid ". (dot)"
msgstr ". （點）"

#: ../../reference/lexical_analysis.rst:1401
msgid "e"
msgstr "e"

#: ../../reference/lexical_analysis.rst:1465
msgid "j"
msgstr "j"

#: ../../reference/lexical_analysis.rst:1535
msgid "operators"
msgstr "operators（運算子）"

#: ../../reference/lexical_analysis.rst:1535
msgid "delimiters"
msgstr "delimiters（分隔符號）"

#~ msgid "The equal sign ``'='``."
#~ msgstr "等號 ``'='``。"