Python3：collections.deque的用法简介

from collections import dequequeue = deque(["Eric", "John", "Michael"])queue.append("Terry")           # Terry 入队queue.append("Graham")          # Graham 入队queue.popleft()                 # 队首元素出队#输出: 'Eric'queue.popleft()                 # 队首元素出队#输出: 'John'print(queue)                           # 队列中剩下的元素#输出: deque(['Michael', 'Terry', 'Graham'])