def validate_coin_selection(selection):
    """Validation function that checks if 'selection' arugment is an int 1-5"""
    switcher = {
        1: (True, "Quarter"),
        2: (True, "Dime"),
        3: (True, "Nickel"),
        4: (True, "Penny"),
        5: (True, "Done")
    }
    return switcher.get(selection, (False, None))