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 1 import socket
 2 import threading
 3 
 4 address = (‘0.0.0.0‘, 8000)
 5 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 6 s.bind(address)
 7 print(‘8000端口在监听...‘)
 8 while True:
 9     data, attr = s.recvfrom(1024)
10     print(‘接受到来自{}:{}的数据：{}‘.format(attr[0], attr[1], data.decode()))
11     s.sendto(‘hello, {}‘.format(data.decode()).encode(), attr)