One Paragraph of project description goes here
These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.
| # Definition for a binary tree node. | |
| # class TreeNode(object): | |
| # def __init__(self, x): | |
| # self.val = x | |
| # self.left = None | |
| # self.right = None | |
| class Solution(object): | |
| def pathSum(self, root, sum): | |
| """ |