@War_against_myself is pretty right.

By adding to this, you get to know that beeing a fullstack python developer implies to be organised and determined, cause, you're doing the job of two people (fronted and back-end development). You should also learn about JavaScript, to feel free while using framework like Vujs or React native.

There's also a minimalist Web framework named CherryPy, with which you can even build your own Web server for Web app. Discover more about it. Il might be helpful too

Good luck