Hello, I am leaving a lecture review after listening to half of the class. I have a PhD in language and have absolutely no knowledge of Python, but I am listening to the lecture with satisfaction because the teacher writes the code well and explains it well. Recently, I kept getting errors related to using LDAvis, so the teacher helped me remotely at 10 PM, but I couldn't do it even after 12:30 PM. It was late, and the teacher was really trying to help me, but I was really sorry that it didn't work, but the teacher corrected the error and sent me the code by email the next day. That's how sincere and passionate the teacher is in teaching. (When I came in, I saw that the teacher had updated the code in the lecture list.) Even if you have absolutely no knowledge of Python like me, you can listen to the lecture, and if you ask the teacher for help, he will help you, so I hope you listen to the lecture. After I finish this course, I plan to listen to the teacher's other (paid) lectures. I sincerely recommend the lecture content and the teacher.