Good resources to learn Django

I am beginner on my road to backend. I have already learnt python basics, html basics and a bit of algorithms and data structure. The problem arose when I tried to learn Django. I mean all the resources that I have found so far are like “do this, write that and it will work”. Before I use something I would like to know why it works and how it works so that in theory I’d be able to do all the stuff even without Django or any other framework. Any good books or other online resources on Django you could suggest? I’d really appreciate. Thank you.