多进程，通信

from multiprocessing import Process,Queue,Pipe
import os

def  test(q,child_conn):
    print("sub q id:%s in the 线程号 %s"% (id(q),os.getpid()))
    q.put([ "hello", 432, 4])
    child_conn.send("hello")
    print(child_conn.recv())


if __name__ == '__main__':
    parent_conn,child_conn = Pipe()

    p_list = []
    q = Queue()

    print("main q id: ",id(q))
    for i in range(2):
        p = Process(target=test,args=(q,child_conn,))
        p.start()

        p_list.append(p)


    print(q.get())



    print(parent_conn.recv())
    print(parent_conn.recv())
    parent_conn.send("hello too")
    parent_conn.send("hello too2")

    for p in p_list:
        p.join()

    print("------end------")