I Can Choose the Difficulty Level in Rebirth

[Entries for the "Brain Expansion" Essay Contest] In the song "Borrow from Heaven for Another Five Hundred Years", the mediocre Wei Xiaoran was reborn ten years ago. The left hand difficulty selection system, the right hand starts with nine years of compulsory education. He originally wanted to make up for his emotional regrets, experience another kind of life, and reach the pinnacle of life, but instead he became ------ Slave to the system! [Task: Walking, difficulty level selection: Hard. The system will re-plan the route for you, and the new route will add 20 kilometers to your route. Reward 80 difficulty points] [Task: Exam, difficulty level selection: Idiot. Spend 100 million difficulty points, your balance is insufficient] Readership: 805951848