If you encounter something you don't understand in the process of doing it, ask it out and everyone can help you.

What I want to tell you is that the answer will not be published online. I have seen many people seeking answers, but they have never succeeded in Baidu's knowledge. The Ministry of Education must have issued relevant regulations to do it yourself, and there will never be an answer to overcome inertia. If there is, it is unfair to your classmates. No, it's not fair to you. You have done less, and I will send you a word-I hope you have a smooth study road and I hope yours.