#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import socket
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
for data in [b'Jack',b'Marry',b'William']:
    s.sendto(data,('127.0.0.1',9999))
    print(s.recv(1024).decode('utf-8'))
s.close()