from socket import socket, AF_INET, SOCK_DGRAM
import time

def time_server(address):
    sock = socket(AF_INET, SOCK_DGRAM)
    sock.bind(address)
    while True:
        msg, addr = sock.recvfrom(8192)
        print('Got message from', addr)
        resp = time.ctime()
        sock.sendto(resp.encode('ascii'), addr)

if __name__ == '__main__':
    time_server(('', 20000))