SunFounder Raspberry Pi Pan-Tilt Hat Camera Kit

Where is the software package located for the Lesson 44 on
using the Python code. Not evident on your website

Lesson 44 of pi-pan-tilt-hat-camera-kit?
Our product tutorials do not go up to lesson 44, from what source did you find the tutorial or code.
The tutorial for installing the code for our product is as follows: