Let's take a quick glimpse of what it's like to write a real program albeit a very trivial one.

下面是一个真正的程序,尽管它很简单。

哈佛公开课 - 计算机科学课程节选

PROFESSOR: -- that this is not a quick clicker question, so you actually need to maybe write something down to figure out the answer.

教授：这个问题不是一眼就能看出来的，你们需要在纸上写一写,才能得到答案。

麻省理工公开课 - 化学原理课程节选