To give a short answer to present simple questions, you don’t repeat the verb. Simply say: Yes, I do. Or No, I don’t. We usually use the contraction in short answers. In the third person use does and doesn’t.
Examples:

• - Do you have the required picture ID? Yes, I do.
• - Do you have an application? No, I don’t.
• - Does he have a picture ID? Yes, he does.
• - Does she have the paperwork? No, she doesn’t.

Remember: The answer will be different with that wacky verb to be!
Examples:

• - Are you a good driver? Yes, I am.
• - Is he a good driver? No, he isn’t!