这些都是学点buzzword。建议到 MIT 或者 Stanford online 学本科入门的课

https://openlearninglibrary.mit.edu/courses/course-v1:MITx+6.036+1T2019/about

MIT has grading homework system, so you know if you really understand or not

https://www.youtube.com/playlist?list=PLoROMvodv4rMiGQp3WXShtMGgzqpfVfbU