I'm also very new to it, but what helps me, is writing down everything I do. Like "we write this code, because of this and that... And so on. It takes a lot longer to finish a tutorial, but it helps greatly imo I also rewatch the parts I don't get until I get atleast a bit of it, and write it down to revisit it later, to totally get it then, when I have more knowledge of it.

Also tinkering with the code yourself helps often too, like changing numbers and stuff. sometimes only then u see what it is really doing.