Commit dec74b4

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added daily challenge

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	`1`	`+# Definition for a binary tree node.`
	`2`	`+# class TreeNode:`
	`3`	`+# def __init__(self, val=0, left=None, right=None):`
	`4`	`+# self.val = val`
	`5`	`+# self.left = left`
	`6`	`+# self.right = right`
	`7`	`+class Solution:`
	`8`	`+ def isSameTree(self, p: TreeNode, q: TreeNode) -> bool:`
	`9`	`+ if not p and not q:`
	`10`	`+ return True`
	`11`	`+ if not p or not q:`
	`12`	`+ return False`
	`13`	`+ return p.val == q.val and self.isSameTree(p.left, q.left) and self.isSameTree(p.right, q.right)`

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