text: import socket
  import multiprocessing
  
  HOST = '127.0.0.1'
  PORT = 23456
  
  def call(text):
      sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      sock.connect((HOST,PORT))
  
      for i in range(5):
          sock.sendall(f'{i} {text}'.encode('utf8'))
          data = sock.recv(1024)
          length = len(data)
          print(f'recv {i} count: {length}')
      sock.close()
  
  if __name__ == '__main__':
      ps = []
      for i in range(5):
          p = multiprocessing.Process(target=call, args=(f'client-{i}',))
          p.start()
          ps.append(p)
      for p in ps:
          p.join()