# Definition for a binary tree node.
from base.tree.tree_node import TreeNode

# TODO
class Solution:
    def deleteNode(self, root: TreeNode, key: int) -> TreeNode:
        pass


if __name__ == '__main__':
    b = "[5, 3, 6, 2, 4, null, 7]"
    t = TreeNode.from_strs(b)
    print(t)
