How many programming languages should you know?
Well its not related to the number of languages you know or you should learn.
Its related to the features the language you know has.
You can know one, or two languages and make a lot of projects.
Python — its one of the best languages out there its used at many famous companies like google !
Why python?
Python its a language full of features and its so easy to learn as a programming expert i think when you learn python, any new language wating for you will be so easy to learn because they has the same logic.
So stop overthinking about how many should you know, take a deep look on it and learn one language that can get your job done .
Python vs Other programming languages :
well every programming language has special touch like python its easy and fast or JavaScript its powerful and used in many domains !
So there is no language better than the other one, and i highly recomend python and JavaScript.