Create Expression Tree from Prefix Notation

This video demonstrates how to construct an Expression Tree from Prefix expression. To find video on Expression Trees visit the link: https://www.youtube.com/watch?v=hFbhDWbaFz8 To find video on building Expression Trees from postfix notation visit the link: https://youtu.be/J8Ht91eeR0E To find video on constructing Expression Trees from infix notation visit the link: https://www.youtube.com/watch?v=n5WAgkq-v3Q