Answer 1

There is not Lua yet . Search for same questions please.
https://www.sololearn.com/Discuss/2144932/shed-sololeran-add-lua
https://www.sololearn.com/Discuss/2127588/is-there-a-way-that-sololearn-can-add-lua-in-their-code-learning-website-i-want-to-learn-lua-but-i
https://www.sololearn.com/Discuss/2100904/why-isn-t-there-lua
https://www.sololearn.com/Discuss/2011716/learning-lua

Answer 2

Yea sorry I'm still a bit new, and pro lol

Answer 3

So you can share sololearn links and they'll come up with pretty square previews eh, I like that

Answer 4

the8woodcutter no problem :)