python
diff --git a/‎faq/programming.po‎
Lines changed: 12 additions & 9 deletions b/‎faq/programming.po‎
Lines changed: 12 additions & 9 deletions
diff --git a/‎library/subprocess.po‎
Lines changed: 3 additions & 2 deletions b/‎library/subprocess.po‎
Lines changed: 3 additions & 2 deletions
@@ -1568,7 +1568,7 @@ msgstr ""
 msgid ""
 "It is the assignment part of the operation that produces the error, since a "
 "tuple is immutable."
-msgstr ""
+msgstr "由于元组是不可变的，因此操作的赋值部分会产生错误。"
 
 #: ../../faq/programming.rst:1309
 msgid "When you write something like::"
@@ -1592,7 +1592,7 @@ msgstr ""
 
 #: ../../faq/programming.rst:1335
 msgid "This is equivalent to::"
-msgstr ""
+msgstr "这相当于::"
 
 #: ../../faq/programming.rst:1340
 msgid ""
@@ -1604,7 +1604,7 @@ msgstr ""
 
 #: ../../faq/programming.rst:1345
 msgid "Thus, in our tuple example what is happening is equivalent to::"
-msgstr ""
+msgstr "因此，在我们的元组示例中，发生的事情等同于："
 
 #: ../../faq/programming.rst:1353
 msgid ""
@@ -1654,6 +1654,9 @@ msgid ""
 "\"result.append\" requires an extra attribute lookup, and third, there's a "
 "speed reduction from having to make all those function calls."
 msgstr ""
+"如果你觉得这个更容易读懂，那么你可能更喜欢使用这个而不是前面的列表推导。然而，对于长列表来说，它的速度几乎是原来的两倍。为什么？首先， "
+"``append()`` 操作必须重新分配内存，虽然它使用了一些技巧来避免每次都这样做，但它仍然偶尔需要这样做，而且代价相当高。第二，表达式 "
+"\"result.append\" 需要额外的属性查找。第三，必须执行所有这些函数调用会降低速度。"
 
 #: ../../faq/programming.rst:1401
 msgid "Objects"
@@ -1743,7 +1746,7 @@ msgstr ""
 msgid ""
 "A better approach is to define a ``search()`` method on all the classes and "
 "just call it::"
-msgstr ""
+msgstr "更好的方法是在所有类上定义一个 ``search()`` 方法，然后调用它："
 
 #: ../../faq/programming.rst:1479
 msgid "What is delegation?"
@@ -1837,13 +1840,13 @@ msgstr "如何创建静态类数据和静态类方法？"
 msgid ""
 "Both static data and static methods (in the sense of C++ or Java) are "
 "supported in Python."
-msgstr ""
+msgstr "Python支持静态数据和静态方法（在C ++或Java的意义上）。"
 
 #: ../../faq/programming.rst:1563
 msgid ""
 "For static data, simply define a class attribute.  To assign a new value to "
 "the attribute, you have to explicitly use the class name in the assignment::"
-msgstr ""
+msgstr "对于静态数据，只需定义一个类属性。要为属性分配新值，就必须在赋值中显式使用类名："
 
 #: ../../faq/programming.rst:1575
 msgid ""
@@ -1862,19 +1865,19 @@ msgstr ""
 
 #: ../../faq/programming.rst:1586
 msgid "Static methods are possible::"
-msgstr ""
+msgstr "静态方法是可行的："
 
 #: ../../faq/programming.rst:1594
 msgid ""
 "However, a far more straightforward way to get the effect of a static method"
 " is via a simple module-level function::"
-msgstr ""
+msgstr "然而，获得静态方法效果的更直接的方法是通过一个简单的模块级函数："
 
 #: ../../faq/programming.rst:1600
 msgid ""
 "If your code is structured so as to define one class (or tightly related "
 "class hierarchy) per module, this supplies the desired encapsulation."
-msgstr ""
+msgstr "如果您的代码是结构化的，以便为每个模块定义一个类（或紧密相关的类层次结构），那么这就提供了所需的封装。"
 
 #: ../../faq/programming.rst:1605
 msgid "How can I overload constructors (or methods) in Python?"
 
@@ -8,6 +8,7 @@
 # Freesand Leo <[email protected]>, 2019
 # Shengjing Zhu <[email protected]>, 2019
 # Zombie110year <[email protected]>, 2019
+# ppcfish <[email protected]>, 2019
 # 
 #, fuzzy
 msgid ""
@@ -16,7 +17,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-05-15 11:25+0900\n"
 "PO-Revision-Date: 2017-02-16 23:28+0000\n"
-"Last-Translator: Zombie110year <zombie110year@gmail.com>, 2019\n"
+"Last-Translator: ppcfish <ppcfish@gmail.com>, 2019\n"
 "Language-Team: Chinese (China) (https://www.transifex.com/python-doc/teams/5390/zh_CN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -1437,7 +1438,7 @@ msgstr ""
 
 #: ../../library/subprocess.rst:1068
 msgid "This is equivalent to::"
-msgstr ""
+msgstr "这相当于::"
 
 #: ../../library/subprocess.rst:1072
 msgid ""