diff --git a/NeetCodeRoadmap/Arrays_and_Hashing/36_Valid_Sudoku.py b/NeetCodeRoadmap/Arrays_and_Hashing/36_Valid_Sudoku.py
index 3229f05..1c47aa5 100644
--- a/NeetCodeRoadmap/Arrays_and_Hashing/36_Valid_Sudoku.py
+++ b/NeetCodeRoadmap/Arrays_and_Hashing/36_Valid_Sudoku.py
@@ -1,7 +1,10 @@
-def isValidSudoku(self, board):
+def isValidSudoku(board):
     """
     :type board: List[List[str]]
     :rtype: bool
     """
+    x = []
+    y = []
+    for x in board:
+         
 
-    
\ No newline at end of file