UDPSocketServer：
from socket import *from time import ctimeBUFFSIZE = 1024HOST = "127.0.0.1"PORT = 10055ADDR = (HOST, PORT)mySocket = socket(AF_INET, SOCK_DGRAM, 0)mySocket.bind(ADDR)while True: print("waiting for message...\n") data, addr = mySocket.recvfrom(BUFFSIZE) data = data.decode() print("connection from ", data) if not data: break mySocket.sendto(("[%s] %s" % (ctime(), data)).encode(), addr)mySocket.close()UDPSocketClient：
from socket import *BUFFSIZE = 1024HOST = "127.0.0.1"PORT = 10055ADDR = (HOST, PORT)mySocket = socket(AF_INET, SOCK_DGRAM,0)while True: data = input(">: ") if not data: break mySocket.sendto(data.encode(), ADDR) data, addr = mySocket.recvfrom(BUFFSIZE) if not data: break print(data)mySocket.close()