Refactor imperative code to a single composed expression using Box

I had to give you a comment on this one! Taking time to add a joke on the course (2 students passing a note) is just brilliant. I've watched almost all videos on Egghead and it's really cool to have something different. I like the approach a lot, very creative! Thank you for making such great content!

Change the voice on this, I can't handle it. It's horrid.

I stop noticing the voice once I start focusing on the content, nonetheless the voice seems itself 100% fine to me.

Can't wait to see how Professor Hedgehog deals with this nested mess...

The note passing gag cracked me up.