There is a program that adds an OrCAD project. The main code of the program is main.py The program has an “Editing” section, which changes the project by adding or removing indexes by the user. The section has a “Cancel” button, which deletes the index added or adds the index deleted by the user. The function only works on the added one, but not on the deleted one. Everything is done through RAWData.py. Here’s the code.