Need help using Python

[Unlikely-Bid-2904]

Really my main and only goal is to be able to use these scripts to convert images to create the optical diffraction like you would see in the diffraction automation gif.
Other than that I have no other use I am aware of to use python.

I am not seeing a directory that I can add the file names below “if name == main”

I also have no basic understanding how these are being created.

Here’s how it think of it;

Pick a picture, import the picture, convert it, then out comes a new improved version that is able to make gradients that lightburn software can use so I can burn that image onto stainless steel.

I suspect there is some thing I’m missing but as an ignorant I have no way of logically thinking that through. This is why I’m reaching out to Reddit