add newline A solution for Contains Duplicate DaleStudy#217

Author: hestia-park

contains-duplicate/hestia-park.py

@@ -1,3 +1,5 @@
 class Solution:
     def containsDuplicate(self, nums: List[int]) -> bool:
-        return len(nums) != len(set(nums))
+        return len(nums) != len(set(nums))
+
+