add new lines

jiunshinn · web-flow · commit 142dbf279d6f · 2025-07-21T17:43:22.000+01:00
diff --git a/contains-duplicate/Jiun-Shin.py b/contains-duplicate/Jiun-Shin.py
@@ -10,3 +10,4 @@ def containsDuplicate(self, nums: List[int]) -> bool:
                 return True
             hashmap[n] = i
         return False
+
