Well, the title says the most. Just searching for a new one to learn. Mine is in fact, Python 3.7. I like Python 3.7, because it runs on like everything, even on my small raspi zero.
Mh I should add that I, in this moment, I speak Python, R, in advanced 8/10 levels of skill, HTML in beginner level, as I do in CSS and C++. JS in mid levels of skill
As a second choice, I'd recommend Go. It's an extremely performant compiled programming language originally built by Google. It's designed to be simple, reliable, and readable.
There are a lot more things I could add, but I have to go practice the cello now. If anyone has any suggestions, leave a comment and I might make an edit. If you found this answer useful I'd appreciate any upvotes I can get.