Hello. Thank you for leaving a review. First of all, I feel sorry that you are having difficulty studying. Tta-Bae-Ssi++ is a lecture I created when I was teaching at a university. At that time, there was a lot of criticism that university lectures did not teach useful things, so as you feel now, I tried to cover all the contents that will come later or will be used in real life at once, so some people are satisfied, but some people sometimes find it difficult. I inform you on the lecture introduction page that it may be difficult for some people, but I think you should understand that it is realistically impossible to create a lecture that satisfies everyone. My lecture style may not suit everyone, but since you have already purchased it, I think it would be much more helpful if you first get a feel for it through YouTube lectures or textbooks that only cover easy content and then watch it again. For others who are reading this, I would like to inform you that Tta-Bae-Ssi++ is a lecture that I created to supplement the parts that students find difficult, and I recommend that beginners who are inquiring before purchasing the lecture watch Tta-Bae-Ssi before Tta-Bae-Ssi++. All media outlets package programming as if it were easy, but where in the world is there anything easy and good? However, in the IT field, the rewards after overcoming the entry barrier are certain, so even at this moment, many students and professionals are trying to acquire better skills. Even if it is not my lectures, I hope that you will find a good path and achieve great success.