Piet van Oostrum wrote:
Andre Engels <andreeng...@gmail.com> (AE) wrote:AE> On Wed, Mar 4, 2009 at 11:02 AM, lone_eagle <icym...@gmail.com> wrote: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, ...]AE> x = d.keys() AE> y = [d[e] for d in x]AE> y = d.values() might also work, but I am not sure whether d.keys() and AE> d.values() are guaranteed to use the same order.Yes, they are if the dictionary is not changed in the meantime (not even inserting and removing the same thing). See the library documentation, section dict.
Still I'd like to see an application where this really matters (that keys() and values() match in order) Tino
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