def are_you_sure(question: str):
    """
    Loop while asking a Y/N question.
    
    Adds str(" (Y/N):  ") to the end of the provided question.
    """
    while True:
        answer = str(input(question + " (Y/N):  ")).lower()
        if answer.startswith("y"):
            result = True
            break
        elif answer.startswith("n"):
            result = False
            break
        else:
            pass
    return result