[issue39648] Update math.gcd() to accept "n" arguments.

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

+1  This isn't hard for us to do and may be occasionally useful.

----------
nosy: +rhettinger, tim.peters

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39648>
_______________________________________