先进先出法

一 线程queue queue is especially useful in threaded programming when information must be exchanged safely between multiple threads. 有三种不同的用法 class queue.Queue(maxsize=0) #队列：先进先出 import queue q=queue.Queue() q.put('first') q.put('second') q.put('third') print(q.get()) print(q.get()) print(q.get()) ''' 结果(先进先出): first second third ''' class queue.LifoQueue(maxsize=0) #堆栈：last in fisrt out import queue q=queue.LifoQueue() q.put('first') q.put('second') q.put('third') print(q.get()) print(q.get()) print(q.get()) ''' 结果(后进先出): third second first ''' class queue.PriorityQueue(maxsize=0) #优先级队列