# server.py import socket port = 8081 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.bind(("", port)) print "waiting on port:", port while 1: data, addr = s.recvfrom(1024) print data --- # client.py import socket port = 8081 host = "localhost" s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.bind(("", 0)) s.sendto("Holy Guido! It's working.", (host, port))