The first question I have is, what was the reason for your other snake dying?

How did you convince your parents to allow you one in the first place?

I do not know how old you are, but I think if you can convince them that you are responsible, and YOU will care for the snake's every need, and YOU will pay for food, vet bills, etc, they may give in. I live with my grandparents. I was 17 when I got my first snake. They were not happy when I mentioned that I'd like to get one, but I showed them books, boasted about their lack of desire for human affection, quietness and in general, they are fairly clean...I'd explained my desire to be a good reptile owner, proved I could pay for food and vet bills, and eased their worries.

I now have 4.