LOWEST COMMON ANCESTOR OF A BINARY TREE I | PYTHON | LEETCODE 236

In this video we are solving the first in the line up of lowest common ancestor problems on Leetcode: LCA of Binary Tree I. This is by far the easiest LCA problem of the bunch and lays the foundation for the rest of the problems in this series.
Links to the other videos:
LCA Binary Tree II: • LOWEST COMMON ANCESTOR...
LCA Binary Tree III: • LOWEST COMMON ANCESTOR...
LCA Binary Tree IV: • LOWEST COMMON ANCESTOR...