> Fact: Values live until nothing references them. So if I write circular_linked_list = { "next": None } circular_linked_list["next"] = { "next": circ

> Fact: Values live until nothing references them. So if I write circular_linked_list = { "next": None } circular_linked_list["next"] = { "next": circular_linked_list } circular_linked_list = None My linked list won't get cleaned up? I think the author should be more careful with his wording.