GNU/Linux Ubuntu Installing Python 3 wxPython Guide
You are Welcome! The Tutorial Shows You Step-by-Step How to Install wxPython Python 3 in Ubuntu GNU/Linux Desktops.
Especially relevant: an Equivalent wxPython Ubuntu Setup may be achieved on Anaconda Python instead that for the System one like here!
And wxPython for Ubuntu is the Best and Most Mature Python Cross-Platform GUI Toolkit, given a number of constraints.
The only reason wxPython isn’t the Standard Python GUI Toolkit is that Tkinter was there first.