I FINALLY finished the 20 art style challenge!!!

Truth be told , I had such a hard time working on it. I had to do TONS of art studies and this is my first attempt at trying to stray away from base usage. I now know my artistic strengths , weaknesses , and things I have to work on for future projects.

To anyone who knows how to draw in these styles , how did I do ? Do you have any advice for me ?