How to clone Sololearn code challenge feature?

Question

I wanna clone as web with frontend and backend of this feature.

Answer 1

Like these??

https://code.sololearn.com/W94co60FKnGG/?ref=app
https://code.sololearn.com/W81SBc95d9E4/?ref=app

Answer 2

Yea, I wanna send this challenge to another user like chat but don't know how it can work