[docs] [issue16077] fix code example in docs for built-in reduce()

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Indeed.

Will probably want to add an example with 1-element sequence for functools.reduce in Doc/howto/functional.rst.

----------
nosy: +storchaka

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16077>
_______________________________________