import socket

HOST, PORT = "localhost", 42424

robot_id = 15

# SOCK_DGRAM is the socket type to use for UDP sockets
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

sock.sendto(f"{robot_id}\n".encode(), (HOST, PORT))
while True:
    received = str(sock.recv(1024), "utf-8")
    print("Received: {}".format(received))