Question

我遇到代码问题，让某人“再次玩”＆＃34;。这是代码：

playing = True
while playing:
    game()
    play_again = raw_input("Would you like to play again? Y|N").lower
    if (play_again == "n"):
        playing = False

然而，在我输入＆＃34; n＆＃34;或者＆＃34; N＆＃34;，无论如何，游戏再次播放。任何想法？

Answer 1

您存储了str.lower方法，而不是结果。将()添加到实际调用该方法：

raw_input("Would you like to play again? Y|N").lower()

Python方法就像其他所有对象一样，你可以像存储字符串那样存储它们：

>>> 'NO'.lower
<built-in method lower of str object at 0x1058d8c88>
>>> 'NO'.lower()
'no'

不使用标志变量，而是使用break退出循环，而True使循环无止境：

while True:
    game()
    play_again = raw_input("Would you like to play again? Y|N").lower
    if play_again == "n":
        break

此处break关键字将在此处结束循环，而无需先循环回顶部并测试变量。

Answer 2

    play_again = raw_input("Would you like to play again? Y|N ").strip().lower()

再次播放代码问题

2 个答案: