4.5: Add comments to code blocks

## Description 
Add comments for easier understanding

## Screenshot 

<img width="852" height="1110" alt="Image" src="https://github.com/user-attachments/assets/9dcd6c5d-791c-43e4-8c70-4b8a454652ae" />

<img width="882" height="1132" alt="Image" src="https://github.com/user-attachments/assets/5447cac7-7ed8-45a3-b43b-579a316adacc" />