Walk Again

I am a 12 year old boy and was involved in a car accident. both my parents didn't survive the unfortunate event and I am left with a severed left leg. I don't want to lose hope yet because my parents would have wanted me to be strong and continue with life. I have hopes. I am young and I know I can still do many things in life and achieve my dreams. But how could I do everything one step at a time if I can't even take a single step? I am knocking at your good hearts to help me have an artificial leg so I can stand up again and take that first step to achieving so many things in life and make my parents proud.