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