diff --git a/Top150Interview/380InsertDeleteGetRandomO1.py b/Top150Interview/380InsertDeleteGetRandomO1.py
index e82979a..84973f4 100644
--- a/Top150Interview/380InsertDeleteGetRandomO1.py
+++ b/Top150Interview/380InsertDeleteGetRandomO1.py
@@ -31,6 +31,7 @@ def getRandom(self):
     :rtype: int
     """
     rand = r.self
+    rand = r.self
     return rand