python 多进程多个queue通信

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import time from multiprocessing import Process, Queue   def f(q,qq):     for i in range(100):         q.put([42, None, 'hello'])         qq.put([12,123,124])         time.sleep(2)         print("我是f发送数据过去")     def bb(q):     while True:         print("我是bb")         print("我是f过来的数据：", q.get())     def cc(qq):     while True:         print("我是cc")         print("我是f过来的数据：", qq.get())   if __name__ == '__main__':     q = Queue()     qq = Queue()     p = Process(target=f, args=(q,qq))     p.start()     p2 = Process(target=bb, args=(q,))     p2.start()     p3 = Process(target=cc, args=(qq,))     p3.start()