def main(): '''Main program''' my_guitar = Guitar() print(my_guitar.brand, my_guitar.body) print(my_guitar.play("strumming", "98", "Help")) my_guitar.check_strings() my_guitar.tune_strings() my_guitar.check_strings() my_guitar.tune_strings(['D', 'A', 'D', 'G', 'A', 'd']) my_guitar.check_strings()