i mean the output i want is: [ [1, 2], [1, 2, 3, 4], [1, 2, 3, 4, 5]], that is sort according to the length of the list element
thinke365 wrote: > > l = list() > l1 = list((1, 2, 3, 4)) > l2 = list((1,2)) > l3 = list((1, 2, 3, 4, 5)) > l.append(l1) > l.append(l2) > l.append(l3) > print l > > def sort_by_list(E1, E2): > print len(E1), len(E2) > return len(list(E1)) > len(list(E2)) > > l.sort(cmp=sort_by_list) > print l > > output: > [[1, 2, 3, 4], [1, 2], [1, 2, 3, 4, 5]] > 2 4 > 5 2 > [[1, 2, 3, 4], [1, 2], [1, 2, 3, 4, 5]] > > the order of the elements in the list did not change! > -- View this message in context: http://old.nabble.com/this-customize-sort-did-not-work-%2Cwhat%27s-wrong--tp27289860p27289922.html Sent from the Python - python-list mailing list archive at Nabble.com. -- http://mail.python.org/mailman/listinfo/python-list
