You – one of the handouts also solutions for the midterm, and so you can – if you got anything wrong you can compare your answers with the solutions. One thing to also keep in mind is that the actual solutions we were looking for are shorter than the solutions that I give you. The solutions that I give you have comments. For one of the problems I actually gave you two different ways of doing it just so you see different approaches. But you weren't expected to actually write that much code. All we wanted was sort of the code without the comments, which is actually pretty slim if you consider how much code there is there without comments. But you'll get those back after class. ...

See the whole transcript at Programming Methodology - Lecture 18