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--tp27289860p27289860.html Sent from the Python - python-list mailing list archive at Nabble.com. -- http://mail.python.org/mailman/listinfo/python-list