python实现生产者和消费者

from threading import Thread
from queue import Queue
import time

que = Queue(1000)
class Producter(Thread):
    def run(self):
        global que
        count = 0
        while True:
            if que.qsize() < 10:
                for i in range(10):
                    count += 1
                    msg = "{} 号产品生产成功".format(count)
                    que.put(count)
                    print(msg)
            time.sleep(0.5)

class Constumer(Thread):
    def run(self):
        global que

        while True:
            if que.qsize() >= 10:
                for i in range(10):
                    msg = "{} 消费 {}".format(self.name,que.get())
                    print(msg)
                time.sleep(0.5)

if __name__=="__main__":
    p = Producter()
    c = Constumer()
    p.start()
    time.sleep(0.5)
    c.start()

    p.join()
    c.join()