There is no such thing as "the best" opening.
For a player of around 1200, the best thing to do is learn the basic opening principles (i.e., control the center, develop your pieces, castle early, don't move the same piece twice unless you have to until all your pieces are developed, etc.). Make sure to apply those principles in your games. If you insist on learning a specific opening, stick to the tried-and-true classical openings which are still considered theoretically sound today: Ruy Lopez, Guiocco Piano, Queen's Gambit.
What is the best opening for a player with the rating of around 1200?
I have been looking and i like the A00 Hungarian but i would like some good players opions