python的collection系列-双向队列和单向队列

单向队列：数据先进先出html 双向队列：可进可出app 双向队列部分源码：ide 1 class deque(object): 2 """ 3 deque([iterable[, maxlen]]) --> deque object 4 5 Build an ordered collection with optimized access from its endpoint

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