leetcode

leetcode/344.py

@@ -0,0 +1,7 @@
+class Solution:
+    def reverseString(self, s: List[str]) -> None:
+        """
+        Do not return anything, modify s in-place instead.
+        """
+        for i in range(len(s)//2):
+            s[i],s[-i-1]=s[-i-1],s[i]