OK - looks like #CommonLisp it is then. I'm going to be *finally* learning the language for reals in the coming weeks and months! 

And it will be #ChatGPT assisted! 

https://infosec.exchange/@deadbeefmonster/111114942306980261 

 @d6cafc56 Also very good: ANSI Common Lisp from Paul Graham. Can be downloaded here: 

https://github.com/61--/weiyanmin/blob/master/BOOK/Lisp/Graham%2C%20Paul%20-%20ANSI%20Common%20Lisp.pdf