diff --git a/Top150Interview/380InsertDeleteGetRandomO1.py b/Top150Interview/380InsertDeleteGetRandomO1.py
index 69ce5b0..531aea9 100644
--- a/Top150Interview/380InsertDeleteGetRandomO1.py
+++ b/Top150Interview/380InsertDeleteGetRandomO1.py
@@ -6,19 +6,21 @@ def insert(self, val):
     :type val: int
     :rtype: bool
     """
-    
+    return True
 
 def remove(self, val):
     """
     :type val: int
     :rtype: bool
     """
+    return False
     
 
 def getRandom(self):
     """
     :rtype: int
     """
+    return getRandom