ㅎㅎㅎ After all, when a technology becomes complicated, it is common for the instructor to show that the technology can be done without explaining the related technology. But even I, when I listened to such lectures, found that they were not really helpful. So, although it is not easy to explain the related technology so that you can learn it, I make the lectures so that you can learn it as much as possible for the first time, explain the related technology, and make it practically yours. If you are learning it for the first time, if you really make this lecture yours, I believe that you will be able to confidently say that you are a developer at the next level. Thank you for the good review.