A short time ago, the macOS display menu stopped working for me. It no longer had options to change mirroring settings, only supporting AirPlay. So I wrote my own, also solving some other issues.
Setting up Python is usually simple, but there are some places where newcomers (and experienced users) need to be careful. What versions are there? What’s the difference between Python, CPython, Anaconda, PyPy? Those and many other questions may stump new developers, or people wanting to use Python.