可以用下面的代码测试这个Factorial类，可以在文件factorial . py中找到这些代码(请参阅参考资料)。

You can test your factorial class using the following code, which you'll also find in the file factorial.py (see Resources).

youdao

可以用下面的代码测试这个Factorial类，可以在文件factorial . py中找到这些代码(请参阅参考资料)。

You can test your factorial class using the following code, which you'll also find in the file factorial.py (see Resources).

youdao