Which is a way of reminding you that I need to think as I write the code about what are my expectations from the input, and how might I enforce them.

通过这个我在提醒大家,在写代码的时候,要搞清楚对输入的期望，并思考下如何执行这些期望。

麻省理工公开课 - 计算机科学及编程导论课程节选

People make really stupid decisions and so as you know in this course with P sets there are three axes that we look at when evaluating your code.

人们做了一个愚蠢的决定,在这个课程上，通过习题集，当执行你的代码的时候,有三个评估方面。

哈佛公开课 - 计算机科学课程节选