I usually end up doing this, but not formally. I dive into the code and eventually find the bottom, and then work up. In the future, I think I'm going to try th

I usually end up doing this, but not formally. I dive into the code and eventually find the bottom, and then work up. In the future, I think I'm going to try this and avoid wasting time wandering about trying to keep track mentally of everything as I go along. At the very least, I'll write it out in a notebook.