From 2a94d6ca0f413d461537f112cfb8b99855b13cd5 Mon Sep 17 00:00:00 2001
From: Kelvin <guanli611@outlook.com>
Date: Sun, 1 Aug 2021 10:17:03 -0400
Subject: [PATCH] =?UTF-8?q?Update=200700.=E4=BA=8C=E5=8F=89=E6=90=9C?=
 =?UTF-8?q?=E7=B4=A2=E6=A0=91=E4=B8=AD=E7=9A=84=E6=90=9C=E7=B4=A2.md?=
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---
 problems/0700.二叉搜索树中的搜索.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/problems/0700.二叉搜索树中的搜索.md b/problems/0700.二叉搜索树中的搜索.md
index e6eb0358..4b02f8af 100644
--- a/problems/0700.二叉搜索树中的搜索.md
+++ b/problems/0700.二叉搜索树中的搜索.md
@@ -212,6 +212,12 @@ Python：
 递归法：
 
 ```python
+# 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 = right
 class Solution:
     def searchBST(self, root: TreeNode, val: int) -> TreeNode:
         # 为什么要有返回值: