fix: Add missing newline characters for proper formatting

Author: hu6r1s

contains-duplicate/hu6r1s.py

@@ -9,4 +9,5 @@ def containsDuplicate(self, nums: List[int]) -> bool:
             if v >= 2:
                 return True
         else:
-            return False
+            return False
+        

two-sum/hu6r1s.py

@@ -14,4 +14,5 @@ def twoSum(self, nums: List[int], target: int) -> List[int]:
         for i in range(len(nums)-1):
             for j in range(i+1, len(nums)):
                 if nums[i] + nums[j] == target:
-                    return [i, j]
+                    return [i, j]
+