import time

def consumer(name):

    print("%s 准备吃包子啦!"%name)

    while True:

        baozi = yield

        print("包子[%s]来了,被[%s]吃了!"%(baozi,name))

def producer(name):

    c = consumer('A')

    c2 = consumer('B')

    c.__next__()

    c2.__next__()

    print("老子开始准备做包子啦!")

    for i in range(10):

        time.sleep(1)

        print("做了1个包子，分两半!")

        c.send(i)

        c2.send(i)

producer("qi")

# 通过生成器实现协程并行运算