f'hello {world!s}'

f'1{one:#06x}2{two:format}3{three!s:++++}'

f'goodbye {cruel} world'

f'ascii{thing!a}'

f'{x!r}'

f'''My name is {name}, my age next year is

{age+1}, my anniversary is

{anniversary:%A, %B %d, %Y}.'''

#Implicit concatenation

"hello" f' {world!s}'

# Simplified version of FP reported in issue #1990

f"{1,1}{1,1}"

# Trailing comma for 1-element tuple:

f"{1,}{1,}"

# Parenthesized with newline after string.

# Simplified version of FP reported in issue #2453

(f"""0"""

)

(f"0"

)

(f'''0'''

)

(f'0'

)

(f"""{0}"""

)

(f"{0}"

)

(f'''{0}'''

)

(f'{0}'

)

("""0"""

)

("0"

)

('''0'''

)

('0'

)

# Unicode literals inside fstrings in initial position

f'\N{DEGREE SIGN}{degrees}'

# Unicode literals inside fstrings in non-initial position

f'{1}\N{DEGREE SIGN}'

# {{ in initial position

f'{{ a{1}c'

# {{ in non-initial position

f'a{1}{{c'

# Unicode literals inside fspecs in initial position

f'pre{1:\N{LATIN SMALL LETTER B}>0.0f}post'

# Unicode literals inside fspecs in initial position

f'pre{1:0\N{LATIN SMALL LETTER B}}post'

# }} in initial position

f'}} a{1}c'

# }} in non-initial position

f'a{1}}}c'

# Empty f-strings

f''

f""

f''''''

f""""""