from linked_list import LinkedList list = LinkedList() list.push(123) list.push(456) list.push(789) # list.insert(00000, 1) list.print() print(list.pop()) print(list.pop()) print(list.pop()) # node3 = Node(333) # node2.next = node3 # print(node1.data, node1.next.data, node2.next)