Best Friend

https://www.youtube.com/watch?v=YXrso5bCppY

https://www.youtube.com/watch?v=GD-vL3TNE6M

Reference: 

https://194un003.blogspot.com/2023/06/tell-me-which-profile-envolope-its-i.html

https://www.youtube.com/watch?v=YXrso5bCppY

https://194un003.blogspot.com/2023/06/best-friend.html

🦅🦅 

Chapter 4 - The gradient of the class

https://194un003.blogspot.com/p/the-chapter-4-gradient-of-class.html