Inverse of dict(zip(x,y))

[Andreas Tawn]

>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, ...]
>
>Cheers,
>Chaitanya.

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

Cheers,
Drea