[docs] [issue7447] Sum() doc and behavior mismatch

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

patch3 incorporates all your suggestions.

I verified the itertools hint:
>>> list(itertools.chain.from_iterable([[10],[1,2],['a']]))
[10, 1, 2, 'a']

I think the hints are clear enough; anyone with more questions should follow the link to the respective function doc.

----------
Added file: http://bugs.python.org/file18203/functions.rst.patch3

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7447>
_______________________________________