然后调用方法并保存结果，然后在比当前缩进位置再缩进的位置打印方法名和返回值。

It then calls the method and saves the result, then finishes by printing the method name and return value indented to the current nesting level.

youdao

And actually, if I don't want to clobber, as we say, overwrite the value of my variable, ; I could declare another one and store the return value in Y; Y so now I have two ints in memory; X and Y, 3 one with two, one with three.

实际上，如果你不想彻底清除，像我们说的，覆盖那个变量的值，我可以申明另一个变量Y，并在Y中保存那个返回值;,现在内存中有两个int数，X和，一个的值为2，一个为。

哈佛公开课 - 计算机科学课程节选