6.1: Add comments

## Description 
Add comments to code blocks 

## Screenshot 

<img width="756" height="708" alt="Image" src="https://github.com/user-attachments/assets/a115adce-bf35-4b9d-8af5-ec8347bb3fd3" />

<img width="752" height="948" alt="Image" src="https://github.com/user-attachments/assets/edf727b7-f891-4bf1-94d1-07f51e612447" />
