Couple quick announcements before we dive into things. There's one handout, which, hopefully, you should have gotten. It will contain the Karel example we did in class last time, the steeple chase, as well as some more examples that we're gonna go over this time. But I encourage you to actually pay attention to what we do in class rather than sort of looking at it on the handout, because one thing that's always true about programs is once you see the solution to a program, it's easy to lull yourself into thinking oh, I could have done that, it seems so easy. ...

See the whole transcript at Programming Methodology - Lecture 03