The context of the following conversation is Alex listened to a lecture before a big test. Alex paid attention to the details and got an A.:
Alex says Guess what, I got an A on that big test I've been practicing for. I think attending that lecture really helped..
The friend responds That is awesome! I'm so proud of you man..
Alex responds Thanks, I was worried about it because I missed some classes recently..
The friend responds How long was the test?.
Alex responds It was about 100 questions and there was a written part as well..
The friend responds That's a lot of stuff, I'm glad I didn't take that class then..