diff --git "a/leetcode3/\354\265\234\353\257\274\354\247\200/226.py" "b/leetcode3/\354\265\234\353\257\274\354\247\200/226.py"
new file mode 100644
index 000000000..a169eec1f
--- /dev/null
+++ "b/leetcode3/\354\265\234\353\257\274\354\247\200/226.py"
@@ -0,0 +1,11 @@
+class Solution:
+    def invertTree(self, root: TreeNode | None) -> TreeNode | None:
+        if root is None:
+            return None
+
+        root.left, root.right = root.right, root.left
+
+        self.invertTree(root.left)
+        self.invertTree(root.right)
+
+        return root
\ No newline at end of file