2: What are these semi-colons for?!

I enrolled in CS50 and loved it, but my mind soon began to boggle. The bewildering syntax of C sent me scampering off to Codecademy for something a little easier to digest. I reached for the lowest hanging fruit I could find: the Code Foundations course, which sounded like a much better fit for my complete lack of experience and knowledge in anything even slightly related to coding.