[issue1771] Remove cmp parameter to list.sort() and builtin.sorted()

[Raymond Hettinger]

Raymond Hettinger added the comment:

FWIW, an object with a complex element-to-element comparison can define 
an __lt__() method and have it work with sort, min, max, etc.

__________________________________
Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1771>
__________________________________