class Node: def __init__(self, name=None): self.name = name self.next = None def main(): current = None first = Node() second = Node() third = Node() first.name = "James Gosling" first.next = second second.name = "2023" second.next = third third.name = "Sun Microsystem" third.next = None current = first while current is not None: print(current.name) current = current.next if __name__ == "__main__": main()