This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I Built I built PDF → Quiz, a small web app that turns lecture PDFs into multiple-choice practice quizzes. I made it for my college friend. They upload a lecture PDF, pick how many questions they want, and the app writes a quiz from the material. Each question comes with four options, a correct answer, and a short explanation. At the end it shows a score. He had piles of lecture slides and no...