def test_zipped_list(): ll1 = LinkedList(Node('1', Node('3', Node('5')))) ll2 = LinkedList(Node('2', Node('4', Node('6')))) zipped_list(ll1, ll2) actual = ll1.__str__() expected = "{'1'} ->{'2'} ->{'3'} ->{'4'} ->{'5'} ->{'6'} -> None " assert actual == expected
def test_to_string(): list = LinkedList() list.insert("c") list.insert("b") list.insert("a") actual = list.__str__() expected = "{ a } -> { b } -> { c } -> None" assert actual == expected