You can create desktop applications for example by using the Python package "tkinter". But there is also another better way to create easier and better desktop user interfaces in Python.
In this tutorial we will see how to use Qt to create a desktop user interfaces that will be used in a Python application. I created my desktop application "BMI Tracker" like this through Qt and Python. This tutorials shows only how it can be done on the operating system Windows. This could be similar in other operating systems.
1. We need to install the Python package "pyqt5"