On one of my programming courses, while studying for midterms, I was reading a alternate textbook which covers similar material to our course, and I noticed tha

On one of my programming courses, while studying for midterms, I was reading a alternate textbook which covers similar material to our course, and I noticed that question 1 and 3 from the textbook had already been used on our homework. So I was like, excellent, question 2 is a good practice question for studying. I even called my roommates over and got them to study it too. Turns out it was the bonus question on the exam. I was surprised, but my roommates were pretty happy with me.