Passing data between child and parent window in Tkinter Toplevel

Описание

How to open child window: https://youtu.be/IJ3DsGn_rco
Disable and hide Parent window from child : https://youtu.be/MLNAFTmh3iQ

We can pass data from child window and display the same in Parent window.
We will declare a string variable in Parent window and add one entry widget in child window. The string variable in parent window will be connect to the Label in parent window.
The data entered in child window entry widget will be set to the string variable on click of a button.

https://www.plus2net.com/python/tkinter-Toplevel-data.php

Part I on how to open and close child window from parent window
https://youtu.be/IJ3DsGn_rco

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