Using pipes to return text input from python file to WPF

So I'm having an issue with using pipes to connect to my python application Currently when I press the confirm selection button, the program saves the image on the right to a folder called submittedImages https://pastecode.io/s/inximktc I need to use pipes to get the program to take this image I have saved and pass it into this python file (https://pastecode.io/s/3hyeerc8). The python code identifies the user and returns two outputs as shown below Image The prediciton then needs to be returned to C#,