The point of this stack is to stick with books only. Distraction takes away from focus. Internet connection has been a detriment to your continuous “Deep Work“. Focus on retaining memory on algorithms and syntax. Remember your two mantras: “Resilience is your competitive advantage”, “Tomorrow is today”.
Python Crash Course
Automate the Boring Stuff in Python
The Data Science Handbook [Music Science Foundation Primer]
The Practice of the Concepts
Github Open Source Hacking
Codewars : Take a look at the answers and do from memory