> What about > def f(arg): > if type(arg)=='list': > #do something
Several things: - list is a string in your code - which wont work: >>> type([]) == 'list' False It needs to be list w/o quotes. - you won't get sublclasses of list: >>> class Foo(list): ... pass ... >>> type(Foo()) == list False So better use isinstance, as I already mentioned. Diez -- http://mail.python.org/mailman/listinfo/python-list
