I have used Common Lisp for a ton of paid work since 1982. That said, in the last 7 years people have paid me to do deep learning work, so that work uses Python

I have used Common Lisp for a ton of paid work since 1982. That said, in the last 7 years people have paid me to do deep learning work, so that work uses Python. Follow the money. I am deeply bound up in Common Lisp because of my history. However, if I may make a suggestion: you might want to take a careful look at Racket: easy to make standalone apps, good libraries, large community, and if you don't like Emacs, the Racket IDE is really pretty good. Sit in on one of the online Racket conferences to see many kinds of cool applications and libraries people use Racket for.