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
I would not recommend learning Python because it is really slow, and
nobody hardly anyone uses it for actual "real-life" development; it is more used to introduce people to code (including myself).