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I enjoyed the lecture. It was overwhelming to study the "Yellow Book" alone, so it was very helpful to solve the problems together. Some of the difficult questions still feel a bit daunting because they are so challenging. You speak quite fast, but the tempo is just right, so the pace doesn't drag, which I liked.

After solving the problems in the "Noraengi" (yellow) workbook, I supplemented the areas I lacked with the online lectures, and it helped me understand much better. Thank you. I highly recommend these lectures.

I really enjoyed the great lecture! It was a huge help in getting my certification. Thank you.

Thanks to you, I passed on my first try even though I knew nothing about computers! The "yellow book" was so difficult that I wanted to give up, but thanks to you, I was able to finish it. On my second pass, I tried to solve the problems on my own and re-watched the lectures whenever I got stuck, which helped me find many familiar problems during the actual exam. Thank you so, so much.