I’d recommend looking at Hedy. It was created to teach kids programming, with a smooth ramp from simple English-like statements all they way to full python, with formal syntax introduced very gradually.
https://hedy.org/
As a bonus, it also allows non-English speakers to use keywords in their native language.

I think people need to appreciate that Mozilla is probably the only company in the world that will allow you to turn off ads like this, for free.

I concur with the article. I’ve tried various tools but I keep coming back to text files in vim. Recently I’ve been using a notes/ directory with a bash function to quickly create and edit a named text file for a new topic. That gives me the little bit of organization and separation for isolated tasks, while still having a main notes.txt file for miscellaneous notes and todos. I really like being able to stay in the terminal and using ripgrep for everything.