On 8/6/2011 10:07 AM smith jack said...
if a list L is composed with tuple consists of two elements, that is L = [(a1, b1), (a2, b2) ... (an, bn)]is there any simple way to divide this list into two separate lists , such that L1 = [a1, a2... an] L2=[b1,b2 ... bn]
>>> L = [('a1', 'b1'), ('a2', 'b2'),('an', 'bn')]
>>> zip(*L)
[('a1', 'a2', 'an'), ('b1', 'b2', 'bn')]
Emile
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