I want to become a professional game programmer so what should be the core language on which I should be working

Question

I only know java and python is their any better language

Answer 1

c++ would it be a good Next Step
after that C# would be good

Answer 2

It depends how you want to develop games. If you want to develop with Unity, you need to learn C#, Unreal uses C++. But you can also use another game engine or develop without one.