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| author | Mariatta <Mariatta@users.noreply.github.com> | 2017-09-16 18:46:43 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-16 18:46:43 (GMT) |
| commit | f3618970690b08ed88e430ba8017859b4fafc3f9 (patch) | |
| tree | 2374ab11096010c567f3a06660e2dc6d62260a0a /Doc/reference | |
| parent | 0ec8c4bd10dcfd8e580628868efdd3df91038898 (diff) | |
| download | cpython-f3618970690b08ed88e430ba8017859b4fafc3f9.zip cpython-f3618970690b08ed88e430ba8017859b4fafc3f9.tar.gz cpython-f3618970690b08ed88e430ba8017859b4fafc3f9.tar.bz2 | |
Improve f-strings documentation (GH-3604)
Provide additional examples of using format specifiers in f-strings
Added examples for using integer and date format specifiers.
Diffstat (limited to 'Doc/reference')
| -rw-r--r-- | Doc/reference/lexical_analysis.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst index 1a7c6f9..baf1f09 100644 --- a/Doc/reference/lexical_analysis.rst +++ b/Doc/reference/lexical_analysis.rst @@ -676,6 +676,12 @@ Some examples of formatted string literals:: >>> value = decimal.Decimal("12.34567") >>> f"result: {value:{width}.{precision}}" # nested fields 'result: 12.35' + >>> today = datetime(year=2017, month=1, day=27) + >>> f"{today:%b %d, %Y}" # using date format specifier + 'January 27, 2017' + >>> number = 1024 + >>> f"{number:#0x}" # using integer presentation type as format specifier + '0x400' A consequence of sharing the same syntax as regular string literals is that characters in the replacement fields must not conflict with the |