This proffesor lady told me to draw a head in light shades with a dark background inspired by a weird photo she sent me or a dark head with a light background

And i didt it, it looks like shit, especially the bottom but hey, this is technically my first full pencil drawing this size and my first time drawing material like that so wahtever, could've been worse I NEVER HAD ANY ART LESSONS I AM TRYING TO DO THIS BY INSTINCT