I just started on this c++ free online course. From what I can see by now it covers some of the basics like variables and so on which are used in Axoloti. Just what I need to understand the lingo in here a little bit better And I thought I would share it here if anyone else would like to take the first steps into coding Axoloti objects.
This is a screenshot of the first modules. These are all free and there is in all 80 free modules. Very easy to navigate and with "hands on" examples: