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