I am trying to run idle3 which is an IDE that comes with Python3. I have idle3 and idle3.8 in /usr/bin. (also idle, but it is for python2.7) It I enter idle3 at the CLI, I get the error 'IDLE can't import Tkinter. Your Python may not be configured for Tk.' I don't really understand what code these scripts call, but on other systems they bring up a window with the IDE. Another way I have verified that it was working on other systems, is to open python3 and type 'import tkinter' . If there is no error message then from CLI 'idle3' also works. Hope this helps.