From 6001215b600caabcd4ce567952e2482382f58b90 Mon Sep 17 00:00:00 2001
From: Awfifcuihc <21129044@zju.edu.cn>
Date: Tue, 20 Nov 2018 03:41:52 +0800
Subject: [PATCH] Update AVLtree.py

An auto balanced binary tree
with no delete node function
leave for latter
---
 data_structures/binary tree/AVLtree.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/data_structures/binary tree/AVLtree.py b/data_structures/binary tree/AVLtree.py
index 43fff9645..cd867906f 100644
--- a/data_structures/binary tree/AVLtree.py	
+++ b/data_structures/binary tree/AVLtree.py	
@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
+'''
+An auto-balanced binary tree!
+'''
 import math
 class my_queue:
     def __init__(self):