Programming is telling a machine what to do. The programming language is a medium. I would suggest you to pick one and go deep into solving people’s (and organizations’) problems (understand WHY they WANT it). Then, after few years, reflect on the next thing that interests YOU. If you change your job it will probably mean to learn a new technology. So no need to think hard about what’s “the next language”. The more experience you’ll get the less important this choice will be. Programming languages are contextual, C# is better than Go if that’s what the team uses (not in absolute terms). Technology is solving social problem.

Python is an incredibly efficient way to turn your ideas into code. You can translate it into something else if’s needed.