import random
import time

from queue import Queue
from threading import Thread


def produce(queue):
    nums = range(5)
    while True:
        num = random.choice(nums)
        queue.put(num)
        print('Produced:', num)
        time.sleep(random.randint(0, 5))

def consume(queue):
    while True:
        num = queue.get()
        queue.task_done()
        print('Consumed:', num)
        time.sleep(random.randint(0, 5))

def main():
    q = Queue(10)

    producer = Thread(target=produce, args=(q,))
    producer.start()

    consumer = Thread(target=consume, args=(q,))
    consumer.start()

    producer.join()
    consumer.join()

if __name__ == '__main__':
    main()