# Receive UDP packets transmitted by a broadcasting service MYPORT = 50000 import sysfrom socket import * s = socket(AF_INET, SOCK_DGRAM)s.bind(('', MYPORT)) while 1:    data, wherefrom = s.recvfrom(1500, 0)    sys.stderr.write(repr(wherefrom) + '\n')    sys.stdout.write(data)