In college right now, and last semester I had an experience similar but someone different in my data structures class. The professor didn't take attendance, and

In college right now, and last semester I had an experience similar but someone different in my data structures class. The professor didn't take attendance, and stated that while we didn't have to show up, a. It was strongly recommended in order to do well in the course (a difficult honors course), and b. He wanted to make the class interesting enough that we wanted to show up. The class almost always had perfect attendance. It opened my eyes so much.