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bpo-30940: Updating round() docs. (GH-6342)

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Lisa Roach 2018-05-20 11:00:18 -04:00 • committed by Serhiy Storchaka
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Doc/library/functions.rst
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@ -1329,11 +1329,12 @@ are always available. They are listed here in alphabetical order.
equally close, rounding is done toward the even choice (so, for example,
both ``round(0.5)`` and ``round(-0.5)`` are ``0``, and ``round(1.5)`` is
``2``). Any integer value is valid for *ndigits* (positive, zero, or
negative). The return value is an integer if called with one argument,
otherwise of the same type as *number*.
negative). The return value is an integer if *ndigits* is omitted or
``None``.
Otherwise the return value has the same type as *number*.
For a general Python object ``number``, ``round(number, ndigits)`` delegates to
``number.__round__(ndigits)``.
For a general Python object ``number``, ``round`` delegates to
``number.__round__``.
.. note::