I recommend you to go through these steps:
- Install the PySimpleGUI package
- Create basic user interface elements with PySimpleGUI
- Create applications, such as a PySimpleGUI image viewer
- Integrate PySimpleGUI with Matplotlib
- Use computer vision in PySimpleGUI
- Package your PySimpleGUI application for Windows
And then you can look through this article for instance PYTHON3 FOR A GUI APPLICATION