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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-06-05 23:21:08 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-06-05 23:21:08 (GMT) |
| commit | 23f41a64ea668296fa89e25f3cfa11f63026ecac (patch) | |
| tree | 034fcbe74fb9e21deb39ec75f8ed88c78d5e509e /Doc/library/functions.rst | |
| parent | 21ce2454de57caaa532d11d76544632608f4b86b (diff) | |
| download | cpython-23f41a64ea668296fa89e25f3cfa11f63026ecac.zip cpython-23f41a64ea668296fa89e25f3cfa11f63026ecac.tar.gz cpython-23f41a64ea668296fa89e25f3cfa11f63026ecac.tar.bz2 | |
bpo-37134: Use PEP570 syntax for sum() (GH-13851)
(cherry picked from commit c4c421d619baf2ff2f7e09f55b7ae22b8f863c7b)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Diffstat (limited to 'Doc/library/functions.rst')
| -rw-r--r-- | Doc/library/functions.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index 415a65b..8897705 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -1562,11 +1562,11 @@ are always available. They are listed here in alphabetical order. about strings, see :ref:`textseq`. -.. function:: sum(iterable[, start]) +.. function:: sum(iterable, /, start=0) Sums *start* and the items of an *iterable* from left to right and returns the - total. *start* defaults to ``0``. The *iterable*'s items are normally numbers, - and the start value is not allowed to be a string. + total. The *iterable*'s items are normally numbers, and the start value is not + allowed to be a string. For some use cases, there are good alternatives to :func:`sum`. The preferred, fast way to concatenate a sequence of strings is by calling |