Hello,
In Tkinter, when you want to create a secondary window you do not have to
implement a whole new class. What you need to do is just create a new
toplevel. Furthermore, never use "globals" within a class.
I made some modifications to your code. You can find the modified version of
your code
Hi!
I've been working on this app last days, and can't get passed this problem:
I've created two windows, (one is created by a button click in the first
window), and from the other window I want to change some variables defined
in the first window.
I'm guessing either I haven't understood the who
