The following are the exercises for Chapter 5. The first:

And the second:

I don’t think I did these correctly. I mean, I did do them correctly in the sense that I accomplished the task layed out in the instructions, but I didn’t update the variable. I couldn’t for the life of me get it to work. Instead, I made a list, appended each user input to the list, then had the program perform the required calculations when the user entered done. Setting that up was very straightforward, which leaves me perplexed at my inability to get the variable update to behave. Anyway, live and learn, right? I assume this is something I will have to figure out eventually, and I’ll get to the bottom of it. For the moment, though, the lists work great!