It was a long and silent hour in the classroom, Professor Error walked around the place to keep an eye on his students so that they couldn't cheat on their exams, Error is very strict so he doesn't want any cheating when seeing the result of all of them

I remind everyone that this exam has more than half the importance so that you can pass the year, I hope you have studied enough.

He spoke loudly and demandingly so that the whole class could hear him, after that he continued walking around