CarGame.py

class CarGame:
    command = ""
    started = False
    while True:
        command = input("> ")
        if command == "start":
            if started:
                print("Car is already started")
            else:
                started = True
                print("Car started...")
        elif command == "stop":
            if not started:
                print("Car is already stopped!")
            else:
                started = False
                print("Car stopped.")
        elif command == "help":
            print("""start - to start the car 
stop  - to stop the car 
quit - to quit """)
        elif command == "quit":
            break
        else:
            print("i can't understand that ")
CarGame()