[NeetCode/Python] Invert a Binary Tree
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카테고리 없음
문제: https://neetcode.io/problems/invert-a-binary-tree NeetCode neetcode.io [내 코드]# Definition for a binary tree node.# class TreeNode:# def __init__(self, val=0, left=None, right=None):# self.val = val# self.left = left# self.right = rightclass Solution: def invertTree(self, root: Optional[TreeNode]) -> Optional[TreeNode]: if not root: return ..