3.4 生产消费者模型

import time
def consumer(name):
    print('我是[%s],我准备吃肠粉了' %name)
    while True:
        changfen=yield
        time.sleep(1.5)
        print('%s很高兴地把【%s】吃掉了' %(name,changfen))

def producer():
    a1=consumer('Jackson')
    a2=consumer('leoung')
    a1.__next__()
    a2.__next__()
    for i in range(20):
        time.sleep(1.5)
        a1.send('肠粉%s'%i)
        a2.send('肠粉%s'%i)
producer()