Out of curiosity, what kind of scripts can you write in Python that you cannot in Node.js? Don't get me wrong, Python is great and has a number of really great

Out of curiosity, what kind of scripts can you write in Python that you cannot in Node.js? Don't get me wrong, Python is great and has a number of really great number crunching libraries just a pip away, but if all you're doing is developing web apps and hashing out some scripts via the terminal... they'll need to know JavaScript for the client - but do they really need to come away with two languages after 3 months?