If you need more detailed information on a topic, books are a great option
I already wrote an article about the best books about Raspberry Pi
And you can see here the best one by category
Python Crash course
If you're interested in coding, it's probably the one you need.
A big part is kept for practice, that's why it's a crash course
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I recommend these products because I use them myself and I know them.
This is simply a list of what I use and love