题解 | #栈和队列的实现#

list_stack = []
list_queue = []
for i in range(5):
    num = int(input())
    list_stack.append(num)
    list_queue.append(num)
    if i+1 == 2:
        print(list_stack)
        print(list_queue)
        list_stack.pop(-1)
        list_queue.pop(0)
        print(list_stack)
        print(list_queue)
    if i+1 == 5:
        print(list_stack)
        print(list_queue)
        for i in range(len(list_stack)):
            print(list_stack.pop(-1), end=' ')