How to compare if two objects are really the same object?

Question

I want to compare if an variable A represents the same object as variable B does.

Could I do that with the == operator?

Or what else is this exactly looking

Answer 1

The two other answers correctly answer the question in your title. The correct answer to the completely different question in your body text, however, is: yes, the == operator is correct for testing whether two variables refer to the same object.