And this adds, now, a lot of power to the kinds of code I can write.

这也大大增加了,我能写的代码的功能范围。

麻省理工公开课 - 计算机科学及编程导论课程节选

It does, in fact, successfully increment X, because at this point in the story, X was not scoped to main.

它实际上成功的增加了X的值，因为在这个地方，X不是main中的范围。

哈佛公开课 - 计算机科学课程节选