ip_echo.py

from http.server import BaseHTTPRequestHandler, HTTPServer

class MyHTTPRequestHandler(BaseHTTPRequestHandler):
    def _set_response(self, content_type='text/plain'):
        self.send_response(200)
        self.send_header('Content-type', content_type)
        self.end_headers()

    def do_GET(self):
        self._set_response()
        ip_address = self.client_address[0]  # Get the client's IP address
        self.wfile.write(ip_address.encode())

def run(server_class=HTTPServer, handler_class=MyHTTPRequestHandler, port=8000):
    server_address = ('', port)
    httpd = server_class(server_address, handler_class)
    print(f"Starting server on port {port}...")
    httpd.serve_forever()

if __name__ == '__main__':
    run()