leetcode day12 相同的树

1.题目描述

2.代码构思（debug）

class Solution:

def isSameTree(self, p: TreeNode, q: TreeNode) -> bool:
    if not p and not q:
        return True

    if not q or not p:
        return False

    Flag = p.val == q.val and self.isSameTree(p.left,q.left) and self.isSameTree(p.right,q.right)

    return Flag
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3.树类题目总结