diff --git a/problems/0344.反转字符串.md b/problems/0344.反转字符串.md
index 1b86e847..079ebb0b 100644
--- a/problems/0344.反转字符串.md
+++ b/problems/0344.反转字符串.md
@@ -157,7 +157,7 @@ class Solution {
 ```
 
 Python：
-```python3
+```python
 class Solution:
     def reverseString(self, s: List[str]) -> None:
         """
@@ -168,6 +168,17 @@ class Solution:
             s[left], s[right] = s[right], s[left]
             left += 1
             right -= 1
+            
+# 下面的写法更加简洁，但是都是同样的算法
+# class Solution:
+#     def reverseString(self, s: List[str]) -> None:
+#         """
+#         Do not return anything, modify s in-place instead.
+#         """
+          # 不需要判别是偶数个还是奇数个序列，因为奇数个的时候，中间那个不需要交换就可
+#         for i in range(len(s)//2):
+#             s[i], s[len(s)-1-i] = s[len(s)-1-i], s[i]
+#         return s
 ```
 
 Go：