Haha, I was going to say that. Snakes are either venomous or constrictors, otherwise they wouldn't be able to kill preythe only types of snakes there are venomous and constrictors. so you are limiting your options to legless lizards. Look into glass lizards- they are very small comparatively and eat insects. Also sand and rosy boas are great and way better than ball pythons for beginners.
Many young snakes can be nippy until they get used to you, but luckily it usually doesn't hurt. Small corns don't even have large enough mouths to really clamp down on any skin so they basically just bounce off when they strike at you. I've also been bitten by 2-3' balls a couple times and the reaction of the people who saw me get bitten was much worse than the actual bite (they usually gasp or scream and make me jump haha). They rarely actually hold on when they bite and it usually just leaves a couple little pin prick holes in your skin and might draw a tiny, tiny bit of blood if any- how nippy are they ? does it hurt ?