Am 16.08.2011 09:44, schrieb Peter Otten: > Johannes wrote: > >> what is the best way to check if a given list (lets call it l1) is >> totally contained in a second list (l2)? >> >> for example: >> l1 = [1,2], l2 = [1,2,3,4,5] -> l1 is contained in l2 >> l1 = [1,2,2,], l2 = [1,2,3,4,5] -> l1 is not contained in l2 >> l1 = [1,2,3], l2 = [1,3,5,7] -> l1 is not contained in l2 >> >> my problem is the second example, which makes it impossible to work with >> sets insteads of lists. But something like set.issubset for lists would >> be nice. > > Would [1, 2, 1] be contained in [1, 1, 2]? You have received an answer that > assumes yes and another that assume no. >
yes it should be contained in the other one. I just work with sorted lists, so i did not think about this case. geatz Johannes -- http://mail.python.org/mailman/listinfo/python-list