leetcode 100. Same Tree python
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Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
# Definition for a binary tree node.# class TreeNode(object):# def __init__(self, x):# self.val = x# self.left = None# self.right = Noneclass Solution(object): def isSameTree(self, p, q): """ :type p: TreeNode :type q: TreeNode :rtype: bool """ if p and q: return p.val == q.val and self.isSameTree(p.left, q.left) and self.isSameTree(p.right, q.right) return p is q
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