Inverse of dict(zip(x,y))

Paul McGuire ptmcg at austin.rr.com
Wed Mar 4 11:00:14 EST 2009


On Mar 4, 5:33 am, Lie Ryan <lie.1... at gmail.com> wrote:
> Andre Engels wrote:
> > y = d.values() might also work, but I am not sure whether d.keys() and
> > d.values() are guaranteed to use the same order.
>
> If they were called immediately after each other I think they should,
> but better not rely on it.

Also, it offends my efficiency/performance sensibilities to use two
separate calls to iterate over the dict twice, when there is a
perfectly good equivalent that is just as readable and iterates only
once.



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