import socket
import threading

def main() -> None:
    with socket.socket() as litsen_sock:
        litsen_sock.bind(('',8080))
        litsen_sock.listen(1)
        client_sock, client_addr = litsen_sock.accept()
        print(f"Client connected: {client_addr[0]}, {client_addr[1]}")
        with client_sock:
            while True:
                data = client_sock.recv(1024)
                print("Received: " + data.decode('utf-8'))
                if data.decode('utf-8') == 'QUIT':
                    break
                client_sock.sendall(input().encode('utf-8'))

if __name__ == "__main__":
    main()