What'd you think of this method for homework. I asked a junior candidate (web-dev) for their portfolio, they didn't have one. I told them that was okay, but adv

What'd you think of this method for homework. I asked a junior candidate (web-dev) for their portfolio, they didn't have one. I told them that was okay, but advised that they complete a generic exercise I gave them and host it publicly on their Github for extra credit. Candidate get's a better portfolio of work, and I get to see their style. Seemed fair to me?