udpechoclient.py

import socket

server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_socket.bind(('127.0.0.1', 4))

print("UDP Echo Server is running...")

while True:
    data, addr = server_socket.recvfrom(1024)
    print(f"Received: {data.decode()} from {addr}")
    server_socket.sendto(data, addr)