题解 | #编排字符串#用双端队列就行
编排字符串
https://www.nowcoder.com/practice/42c0673f04b34f66ae236a1cb7995532
from collections import deque
dq = deque()
for _ in range(int(input())):
dq.append(input())
if len(dq) > 4: dq.popleft()
for i in range(-1, -len(dq) - 1, -1): print(f'{-i}={dq[i]}', end=' ')
print()
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