From 0c4a4a68ce149d664226f836b8ebf8709cd49d08 Mon Sep 17 00:00:00 2001
From: shuwen <shuwenlle@foxmail.com>
Date: Sat, 14 Aug 2021 17:38:28 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20=E5=89=91=E6=8C=87Offer58-?=
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考虑不能用切片的情况下，利用模+下标实现
---
 problems/剑指Offer58-II.左旋转字符串.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/problems/剑指Offer58-II.左旋转字符串.md b/problems/剑指Offer58-II.左旋转字符串.md
index 76908f2d..1073dafa 100644
--- a/problems/剑指Offer58-II.左旋转字符串.md
+++ b/problems/剑指Offer58-II.左旋转字符串.md
@@ -141,6 +141,18 @@ class Solution:
 # 空间复杂度：O(n)，python的string为不可变，需要开辟同样大小的list空间来修改
 ```
 
+```python 3
+#方法三：考虑不能用切片的情况下，利用模+下标实现
+class Solution:
+    def reverseLeftWords(self, s: str, n: int) -> str:
+        new_s = ''
+        for i in range(len(s)):
+            j = (i+n)%len(s)
+            new_s = new_s + s[j]
+        return new_s
+
+```
+
 Go：
 
 ```go