需要帮助Python 3 ISBN校验位

Question

删除我不希望这是在线er0oijhw-og

Answer 1

错误的缩进。试试这个：

while True:
    close = input("Would you like to try again? Enter 'y' for Yes and 'n' for No: ")
    if close.lower() in ("n", "no"):
        print("Exiting")
        break