I learned about the lecture through the data analysis open chat room operated by Teacher Selena, and became interested in taking the course. When I asked personal career-related questions in the group chat, I was deeply moved by how passionately and sincerely you answered (thank you so much!), and seeing that genuine care convinced me that I could trust and take Teacher Selena's lectures. I had been thirsty to learn Python for a while, and through this lecture I was finally able to learn it systematically. Rather than just explaining theory, I could practice and learn every concept hands-on, which made understanding much easier, and being able to practice anytime, anywhere using Google Colab was very convenient. Especially having separate files for practice and answers was very helpful, as I could try to solve errors myself and learn through the process. Going forward, I plan to take Teacher Selena's data analysis lecture as the next step. Thank you sincerely for always answering diligently in the open chat room as well :)