what is the best opening for beginner chess (triple digits)

What chess opening(s) are/is the best for triple digit elo players?
I would like to hear your opinion

what about vienna

beginners won't know d5

if they take the sac they're cooked

Vienna is not good for learning if you play f4, this violates opening principles which I would not recommend for a beginner

For 3-digit Elo???? Learning that theory would be a nightmare

Scotch - is basic and simple with a solid structure

Queens gambit - is more complex but is a good opening

Just play e4 and focus on development; knights, then bishops, then castle. At low levels you'll likely be out of book between 3-5 moves anyway.

yea scotch is also very good

I would say the Four Knights' Game and Guioco Piano are both fairly strong. As a response to d4, just d5. If you want to play d4, the Queen's Gambit is good.

I would recommend reading Logical Chess Move by Move. That book is a good introduction to opening principles.

as long as you don't use the Magnus gambit yes

London, Caro-Kann

D4 openings like London

C4 and g3

I mainly play the Italian and the French and pretty alright.

I would recommend using setups against 1 e4 with black using either French 1...e6 -2..d5 or Caro kann with 1...c6 -2...d5 why because replying to 1.e4 with ...e5 as beginning with run into the quick fire mate attacks on ...f7 from a Bishop on c4 that new beginners can fall into avoiding this possibility till more experienced is a good starting point!

yes

caro-kann is so popular and imo, its slightly overrated

its good but it doesn't take much control over the center and LITERALLY EVERYONE talks about it ALL THE TIME