My tkinter application has several controls, and I'd like to know when any changes occur to them so that I can update other parts of the application.

Is there anything that I can do short of writing an updater function, and looping at the end with:

root.after(0, updaterfunction)

This method has worked in the past but I'm afraid that it might be expensive if there are many things to check on.

Even if I did use this method, could I save resources by only updating items with changed variables? If so, please share how, as I'm not sure how to detect specific changes outside of the update function.

python widget tkinter
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