smith jack <thinke...@gmail.com> writes: > 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?
That is called unzipping and there is a sneaky idiom for it: L1,L2 = zip(*L) Your homework assignment is figuring out how that works ;-). -- http://mail.python.org/mailman/listinfo/python-list