text: #!/usr/bin/env python
  import socket
  def echo_client_simple():
      host = ''
      port = 10000
      size = 1024
      s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      s.connect((host, port))
      s.send('Hello world')
      data = s.recv(size)
      s.close()
      print 'Received:', data
  echo_client_simple()
  
  