state = ()
started=False
while True:
    state = input(">").lower()
    if state == "start" :
        if started == False:
            print("Car is already started")
        else:
            started = True
            print("Car started")
    elif state == "stop":
        if not started:
            print("Samir u mad car is already stopped!!!")
        else:
            started = False
            print("Car stoppped")
    elif state == "help":
        print("""
Start- to start a car
Stop- to stop a car
Quit- to exit
       """)
    elif state == "quit":
        break
    else:
        print("I dont understand")