Hello. I am writing this review because I think I passed with 100 points after taking the lecture from the instructor. Actually, the first exam was the 7th practical exam, and I failed with 40 points. At that time, I was upset that there were not many problems that I could solve in the exam room, and I did not want to create the same situation again, so I thought that I would learn all the codes that fall under the scope of the exam, and while looking for a lecture that fit that, I found out about Mr. Ttanjit after work. The lecture content was in a format that explained the main idea and detailed branches that I wanted, so I was able to prepare for the exam in depth. I think my understanding of machine learning also improved a lot while preparing for this exam. (Of course, I am still at a child's level in front of experts..!) Lastly, when I was preparing for the exam and there were parts that I did not understand, I asked questions several times, and I would like to say thank you for kindly informing me and providing such great lectures. Thank you again.