is python good for app development code example

Example 1: python app development

Tkinter is Best but If You Want You Can Use Tkinter, Kivy, PyQt5.
If For Game Development Then Pygame

Example 2: what is best app for Python

Programming Hero is the best app for Python. The new update has taken the app into new height. It has even Machine Learning and AArtificial Intelligence courses included in the app. In one word it is the best so far.