Layouts within layouts.... that's what containers are all about. In this lesson you'll learn how to use the Column, Frame, Tabs/TabGroup, and Pane elements. Without this embedding capability it would not be possible to create complex layouts.
Reminder that notes are here:
https://github.com/PySimpleGUI/PySimp...
The demo .py file being used in the video is here:
https://github.com/PySimpleGUI/PySimp...