#!/usr/bin/env python3
# -*- coding:utf-8 -*-
'UDP server' #doc comment
__autor__ = 'myth'

import socket
s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
#绑定端口:
s.bind(('127.0.0.1',9999))

print('Bind UDP on 9999...')
while True:
	#接收数据：
	data,addr = s.recvfrom(1024)
	print('Received from %s:%s.' %addr)
	s.sendto(b'Hello, %s!' %data,addr)