生产消费模型

import time
def comsumer():
    need = input("请问需要多少包子：")
    return need
def producer(n):
    res = []
    for i in range(1,n+1):
        time.sleep(0.2)
        res.append(‘包子%s‘ %i)
    return res
while True:
    n = int(comsumer())
    m = producer(n)
    print(m,‘\n这是您的%s个包子，请收好，欢迎下次光临‘ %n)

import time
def comsumer():
    while True:
        need = input()
        print("我需要%s个包子" %need)
        yield need
        baozi = yield
        print("谢谢您的%s个包子！" %baozi)
        producer()
def producer():
    print("请问您需要多少包子?")
    a = comsumer()
    xuqiu = a.__next__()
    a.__next__()
    time.sleep(int(xuqiu)/10)
    res = ["包子%s" %i for i in range(1,int(xuqiu)+1)]
    print(res,"\n这是您的%s个包子，请收好，欢迎下次光临" %xuqiu)
    a.send(xuqiu)
producer()