题解 | 用列表实现栈
用列表实现栈
https://www.nowcoder.com/practice/38187b9f30e44fdaa496751b82b0adbf
import sys
newcomer = int(input())
stack = [1, 2, 3, 4, 5]
raw_len = len(stack)
for i in range(1,3):
stack.pop(raw_len-i)
print(stack)
stack.append(newcomer)
print(stack)
for line in sys.stdin:
a = line.split()
print(int(a[0]) + int(a[1]))
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