I’m guessing you’re really interesting in space, Chardo? That’s great 🙂
A black hole does have mass. It has a lot of mass, actually and that what makes is a black hole. The more mass it has then the larger the gravitational field. It has so much mass that is collapses into itself and not even light can escape.
Being in a black hole would be pretty awful. You could see out but no one could see you back. So no matter how much you wave your arms and scream and shout, you won’t be seen 🙁
You’re not planning on falling into any soon I hope!