Read one or more of the absolute best (free) Python books[1] and do some hands-on.

If you can not choose, just start with "Python Programming for Data Science". No barrier for starting, its cc-by and requires no account to read.

[1] Check: https://nocomplexity.com/documents/pythonbook/bookreferences...

https://stephenlf.dev/blog/python-library-in-2026/