In those situations you can use the find method. So let me delete these few lines. Call course.

在这些情况下，您可以使用 find 方法。所以让我删除这几行。调用课程。

Houston, and they deleted their offensive line, right?

休斯顿，他们删除了进攻线，对吗？

So let's run this program and verify this. So I'm going to delete these lines here. Run the program, there you go. X is 22. Now let me bring back these rules here.

所以让我们运行这个程序并验证这一点。所以我要在这里删除这些行。运行程序，就可以了。 X 是 22。现在让我把这些规则带回来。