diff --git a/Top150Interview/380InsertDeleteGetRandomO1.py b/Top150Interview/380InsertDeleteGetRandomO1.py
index ea435cb..1e7d3f3 100644
--- a/Top150Interview/380InsertDeleteGetRandomO1.py
+++ b/Top150Interview/380InsertDeleteGetRandomO1.py
@@ -12,6 +12,7 @@ def insert(self, val):
         return None
     if val not in self:
         self.add(val)
+        
         return True
     return False