Both Peanut Thirteen and DragonFly are well known teachers of Tu Push courses. If you are more focused on learning and consolidating the basics, then you can choose Peanut Thirteen's course. His course content is systematic and comprehensive, with detailed explanations, which can help candidates establish a complete knowledge system. If you pay more attention to the learning of problem-solving skills and methods, then you can choose Longfei's course. His course content is practical, clear explanation, can help candidates master the skills and methods of problem solving.

Peanut Thirteen and Longfei's courses are both very good choices, and candidates can choose the course that suits them according to their needs and preferences.