fix: Add missing newline characters for proper formatting

Author: hu6r1s

contains-duplicate/hu6r1s.py

@@ -10,4 +10,3 @@ def containsDuplicate(self, nums: List[int]) -> bool:
                 return True
         else:
             return False
-        

two-sum/hu6r1s.py

@@ -15,4 +15,3 @@ def twoSum(self, nums: List[int], target: int) -> List[int]:
             for j in range(i+1, len(nums)):
                 if nums[i] + nums[j] == target:
                     return [i, j]
-