* Build-up Coding As you watch the lecture and code, you will understand it clearly, saying, ‘Oh! So that’s why it’s like this.’ Starting with the example from V0, moving on to V1, V2, V3, and gradually fixing it, you will naturally understand why the problem is and how to solve it. * Automatic Review At the end of each lecture section, there is a lecture called ‘Summary.’ It explains everything you learned in the section again and organizes it. You will naturally review it. * The instructor is handsome There is no disagreement on this part.