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| author | Pablo Galindo <Pablogsal@gmail.com> | 2019-06-06 00:11:46 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-06-06 00:11:46 +0100 |
| commit | c4c421d619baf2ff2f7e09f55b7ae22b8f863c7b (patch) | |
| tree | 874731c20824d395586edb35ecb6705cd3fd539f | |
| parent | e985804207473796a1326585b3e1b9e18c764345 (diff) | |
| download | cpython-git-c4c421d619baf2ff2f7e09f55b7ae22b8f863c7b.tar.gz | |
bpo-37134: Use PEP570 syntax for sum() (GH-13851)
| -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 415a65b494..8897705672 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 |