import
            
            
               time

            
            
              from
            
             multiprocessing 
            
              import
            
            
               Process

            
            
              import
            
            
               multiprocessing


            
            
              class
            
            
               D:
            
            
              
    @staticmethod
    
            
            
              def
            
            
               test(pipe):
        
            
            
              while
            
            
               True:
            
            
              for
            
             i 
            
              in
            
             range(10
            
              ):
               pipe.send(i)
            　 time.sleep(
            
            2
            
              )

    @staticmethod
    
            
            
              def
            
            
               test2(pipe):
        
            
            
              while
            
            
               True:
              

            
            
              　　　　　　　print
            
            (
            
              '
            
            
              test2 value:%s
            
            
              '
            
             %
            
               pipe.recv())
            time.sleep(
            
            2
            
              )


            
            
              if
            
            
              __name__
            
             == 
            
              '
            
            
              __main__
            
            
              '
            
            
              :
    pipe 
            
            =
            
               multiprocessing.Pipe()
    p 
            
            = Process(target=D.test2,args=
            
              (pipe[0],))
    p2 
            
            = Process(target=D.test,args=(pipe[1
            
              ],))

    p.start()
    p2.start()