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| author | Raymond Hettinger <python@rcn.com> | 2010-12-05 06:35:16 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2010-12-05 06:35:16 (GMT) |
| commit | e5e728babd88a1ce2654a12b7fd4973f601106a4 (patch) | |
| tree | 50416db69bda8b8f5237a33f9dcbe76261cfc5da | |
| parent | d8fae4e6ad466922422eaa1ff2ac4bc21e1e13d6 (diff) | |
| download | cpython-e5e728babd88a1ce2654a12b7fd4973f601106a4.zip cpython-e5e728babd88a1ce2654a12b7fd4973f601106a4.tar.gz cpython-e5e728babd88a1ce2654a12b7fd4973f601106a4.tar.bz2 | |
New string format character.
| -rw-r--r-- | Doc/whatsnew/3.2.rst | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Doc/whatsnew/3.2.rst b/Doc/whatsnew/3.2.rst index 284c04c..6a92569 100644 --- a/Doc/whatsnew/3.2.rst +++ b/Doc/whatsnew/3.2.rst @@ -315,7 +315,20 @@ Some smaller changes made to the core Python language are: >>> short.untransform('zlib_codec') b'which witch had which witches wrist watch' - (From multiple contributers in :issue:`7475`.) + (From multiple contributors in :issue:`7475`.) + +* String formatting for :func:`format` and :meth:`str.format` gained a new format + character **#**. For integers in binary, octal, or hexadecimal, it causes + the output to be prefixed with '0b', '0o', or '0x' respectively. For floats, + complex, and Decimal, it causes the output to always have a decimal point + even when no digits follow it. + + >>> format(20, '#o') + '0o24' + >>> format(12.34, '#5.0f') + ' 12.' + + (Suggested by Mark Dickinson and implemented by Eric Smith in :issue:`7094`.) * The interpreter can now be started with a quiet option, ``-q``, to suppress the copyright and version information in an interactive mode. |