queue队列

 

queue is especially useful in threaded programming when information must be exchanged safely between multiple threads.

class queue.Queue(maxsize=0) #先入先出

class queue.LifoQueue(maxsize=0) #last in fisrt out 

class queue.PriorityQueue(maxsize=0) #存储数据时可设置优先级的队列

import queue

q = queue.PriorityQueue()

q.put((-1,"chenronghua"))
q.put((3,"hanyang"))
q.put((10,"alex"))
q.put((6,"wangsen"))

print(q.get())
print(q.get())
print(q.get())
print(q.get())


# q  = queue.LifoQueue()
#
# q.put(1)
# q.put(2)
# q.put(3)
# print(q.get())
# print(q.get())
# print(q.get())