Inverse of dict(zip(x,y))

Andreas Tawn andreas.tawn at
Wed Mar 4 11:09:50 CET 2009

>Can someone suggest a easy method to do the inverse of dict(zip(x,y))
>to get two lists x and y?
>So, if x and y are two lists, it is easier to make a dictionary using
>d = dict(zip(x,y)), but if I have d of the form, d = {x1:y1,
>x2:y2, ...}, what is there any trick to get lists x = [x1, x2, ...]
>and y = [y1, y2, ...]

x = d.keys()
y = d.values()


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