text: #!/usr/bin/python
  # -*-coding:utf-8-*-
  import time
  import zmq
  
  context = zmq.Context()
  socket = context.socket(zmq.REP)
  socket.bind("tcp://*:5555")
  
  while True:
      message = socket.recv()
      print(message)
      time.sleep(1)
      socket.send("server response!".encode('utf-8'))
  