On Friday, January 31, 2014 4:18:13 PM UTC+5:30, Peter Otten wrote: > seaspeak wrote:
> > a list like L = [[1, 2], [3, 4, 5], [6]], which has > > random numbers of list, which has random numbers. > > How do I get another list m = [1, 2, 3, 4, 5, 6] in a succinct way? ( or > > iterate them) I should provide my own solution, but I really can't come > > out with one. > sum(L, []) > list(itertools.chain.from_iterable(L)) > but as a learning experience you should do this at least once with two > nested for loops, then again with a single for loop and list.extend(). And then again with a double comprehension: [y for x in L for y in x] -- https://mail.python.org/mailman/listinfo/python-list
