How to fix a while loop that goes on forever in Python?

Question

I am trying to create a simple while loop that will run the commands start, stop, quit, and help. Start, stop, and help will just display some printed text. After they are run, I want it to keep going on to another command. However, on quit I want the whole program to stop.

input_command = input("> ").lower()

while input_command != "quit":
    print(input_command)
    if input_command == "start":
        print("The car is ready! VROOM VROOM!")
        print(input_command)
    elif input_command == "stop":
        print("Car stopped.")
    elif input_command == "help":
        print("""
        start - starts the car
        stop - stops the car
        quit - exits the program
        """)
else:
    print("Sorry, I don't understand that...")

You will have to change input_command somewhere in the loop. — Klaus D.
– Klaus D., Commented Oct 11, 2019 at 14:44

Sayse · Accepted Answer · 2019-10-11 14:43:46Z

3

You never reassign input command so it only ever takes input once,

input_command = ''

while input_command != "quit":
     input_command = input("> ").lower()

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