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Issue 27936: Update doc for round() to indicate that None is an allowable argument.

This commit is contained in:
Raymond Hettinger 2016-09-04 11:28:56 -07:00
parent 16eb827b33
commit 871a3340b7
1 changed files with 2 additions and 2 deletions
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Doc/library/functions.rst
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@ -1234,8 +1234,8 @@ are always available. They are listed here in alphabetical order.
.. function:: round(number[, ndigits])
Return the floating point value *number* rounded to *ndigits* digits after
the decimal point. If *ndigits* is omitted, it returns the nearest integer
to its input. Delegates to ``number.__round__(ndigits)``.
the decimal point. If *ndigits* is omitted or is ``None``, it returns the
nearest integer to its input. Delegates to ``number.__round__(ndigits)``.
For the built-in types supporting :func:`round`, values are rounded to the
closest multiple of 10 to the power minus *ndigits*; if two multiples are