There are certainly many many professional python projects because the world is a giant place but in general, I see it as a less professional language (unless y

There are certainly many many professional python projects because the world is a giant place but in general, I see it as a less professional language (unless you're talking about data science). As a full stack dev, I'd rarely if ever recommend python for any of the problems I face professionally. For data science problems, Jupyter + Pandas + Scipy makes a pretty awesome combination. As for unit tests, I think that misses the point of my argument completely. This is the situation I would evaluate python: you're starting from scratch, what types of problems would you use python to solve? The answer is there aren't that many. I think the most common reason people choose python is that that's the language they feel comfortable with.