These were put together over many years, and test / demostrate a wide variety or wxPython features. Since they are so old, many have outdated style, and may not work with py3 and/or wxPython4 If you ...
I have installed wxpython using miniforge. wxpython apps will not run in pythonw because that is broken (conda-forge/python.app-feedstock#22), but if I write my own ...