3.4: Add comments to code blocks

## Description 
Add comments to the code for easier understanding 

## Screenshot

<img width="563" height="588" alt="Image" src="https://github.com/user-attachments/assets/51a69941-2481-4288-acb4-cb7244541580" />
 

<img width="583" height="708" alt="Image" src="https://github.com/user-attachments/assets/a7a72111-5dea-41f1-99ea-7ba1fc407f0f" />