top k frequent Solution update

Author: TreeStone94

top-k-frequent-elements/TreeStone94.py

@@ -12,4 +12,5 @@ def topKFrequent(self, nums: List[int], k: int) -> List[int]:
             if k > 0:
                 answer.append(f[0])
             k -= 1
-        return answer
+        return answer
+