线程queue

import queue
q = queue.Queue()      #模拟队列，先进先出
q.put('first')
q.put('second')
q.put('third')

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

import queue
q = queue.LifoQueue()      #模拟堆栈，先进后出
q.put('first')
q.put('second')
q.put('third')

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

import queue
q = queue.PriorityQueue()      #put进去一个元组，第一个元素设置优先级，越小越高
q.put((10,'first'))
q.put((30,'second'))
q.put((20,'third'))

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