How to use Arena GUI outputs in a python program I'm currently developing a self-playing chessboard on which I'd like to implement an Artificial Intelligence (AI) (currently it's Stockfish. I would like to know how I could, if I can, export Arena GUI's (other ideas are welcome) to somehow position my stepper motors correctly. Does anyone know of a way?

I'm writing the code in python.
I think using the Arena GUI may be an overly complex way of attempting this.

Instead, go for the Arena engines. Many (all?) implement the UCI protocol, which would allow your application to basically send move information to the engine, and get its responses (under the chosen set of parameters) back.  

Some chess engines use other protocols, and not all may be open or freely available.  UCI (see https://www.chessprogramming.org/UCI for more info) is reasonably well known, so you should be able to get answers to any problems you might have.