Photo effect implementation with Image processing algorithm.

I want build a image processing algorithm to implement a photo effects.

Please check the following online api. It's result what I want.

https://convertimage.net/online-photo-effects/make-an-online-andy-warhol-pop-art-effect.asp

It's a Andy Warhol pop art effect.

If you could delivery the solution, please contact me. The solution should be based on Python.