[ Thanks to Brendan Scott for this
link. ]
“In other words, Tkinter is what allows your Python programs to
interact with a user through a windowing system, rather than the
command line I had been forcing you to use earlier. Tkinter is not
unique, there are other toolkits that Python can use to do exactly
the same thing. We are working with Tkinter here because it?s the
de facto standard for Python ? also because you should have Tkinter
(they come together). Tkinter?s look is pretty ugly, but we are
here for practicality, not beauty. You can research other toolkits
on line if you want to have a different look for your application,
but you will need to learn how Python calls those other toolkits,
as it will be different. Other toolkits may also provide additional
widgets. “