how to separate a list into two lists?
gherron at islandtraining.com
Sat Aug 6 13:15:25 EDT 2011
On 08/06/2011 10:07 AM, smith jack wrote:
> 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]
> i do not want to use loop, any methods to make this done?
L1 = [item for item in L]
L2 = [item for item in L]
which *is* still a loop. (You are going to have to write *really*
arcane code to have no loop.)
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