On Fri, Jan 25, 2013 at 4:45 PM, MRAB <pyt...@mrabarnett.plus.com> wrote: > You could first limit the search to only those which it could be: > > S & set([y]) > > A search would be: > >>>> f = [m for m in S & set([y]) if m is y][0] >>>> f is y > True
But in practice he won't have y, only x. So that would have to be: >>> f = [m for m in S & set([x]) if m is x][0] >>> f is y False And it turns out that my earlier "intersection" suggestion fails for the same reason. -- http://mail.python.org/mailman/listinfo/python-list
