题解 | #用列表实现栈#
用列表实现栈
https://www.nowcoder.com/practice/38187b9f30e44fdaa496751b82b0adbf
a=int(input())
stack = [1, 2, 3, 4, 5]
stack.pop()
print(stack)
stack.pop()
print(stack)
stack.append(a)
print(stack)