stopandwait

def stop_and_wait(frames):
    for i, frame in enumerate(frames):
        print(f"Sending Frame {i}: {frame}")
        ack = input(f"ACK for Frame {i} received? (y/n): ").strip().lower()
        while ack != 'y':
            print(f"Resending Frame {i}: {frame}")
            ack = input(f"ACK for Frame {i} received? (y/n): ").strip().lower()
    print("All frames sent successfully!")

frames = input("Enter frames to send (comma-separated): ").split(',')
stop_and_wait(frames)