First lecture of march yaya

very important things ahead

27, 31, 15, 17, 4, 79, 87, 49, 3, 1 These r the numbers.

BST insert

Pseudo code time

1. We take in the root and the new node
2. if root is null, new is returned as the new root
3. if the new key == root key, that's an error (no dups)
4. If the new key > root key, 
	1. insert new in right subtree
5. else
	1. insert new in left subtree