[Tkinter] Multiple frames with tkinter - How to make them run on fullscreen mode

[Larz60+]

my suggestion (you won't like it) is to use Qt or wxpython (pheonix)
The difficulty I always ran into with tkinter geometry is the reason why I stopped using it.
It's a snap with wxpython, including docking, resizing, everything!

see (for example): https://python-forum.io/Thread-Perfectly...n-template