Debugging Interlude 2

I've started writing debugging interlude 2. The focus of this interlude is to write an outline or pseudo-code first, and then use print statements to carefully accomplish steps.

I am currently missing exercises and the section on using print statements. There are also probably egregious spelling and grammar errors in the document.

I am sending this pull request as a request for feedback on a work in progress. I hope to finish this tomorrow late morning. Please give me your thoughts.