Tkinter guide?

[steve_shambles]

if you still want to know how to open a window in full screen:

wm.attributes("-fullscreen",1)

This site looks good for total Tkinter beginners:
https://mycodenotein.netlify.app/src/tkinter
It is in plain language for normal people.

You could also take a look at my Tk Assistant program
if you want, it might help:
https://stevepython.wordpress.com/2021/0...ant-v4-01/