import network import tkinter as tk from tkinter import ttk import sys listen_addr = ("0.0.0.0", 4444) send_addr = ("192.168.1.255", 4444) sock = network.Sock() root = tk.Tk() def on_request(r): c, a = r print(c, a) sock.listen(listen_addr, on_request) sock.send({"message":"bonjour"}, send_addr) root.mainloop()