#!/usr/bin/env python3 from socket import * server_port = 1234 server_socket = socket(AF_INET, SOCK_DGRAM) server_socket.bind(("", server_port)) print("READY") while True: message, client_address = server_socket.recvfrom(2048) response = message.decode("UTF-8").upper() print("received: {}".format(message.decode("UTF-8"))) server_socket.sendto(response.encode("UTF-8"), client_address)