# _*_ coding:utf-8 _*_

import socket

s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
s.bind(('127.0.0.1',9999))
print('Bind UDP on 9999...')
while True:
	data,addr=s.recvfrom(1024)
	print('Received from %s:%s' % addr)
	reply='hello,%s!' % data.decode('utf-8')
	s.sendto(reply.encode('utf-8'),addr)

