adding top k frequent element

Author: daiyongg-kim

top-k-frequent-elements/daiyongg-kim.py

@@ -0,0 +1,16 @@
+class Solution:
+    def topKFrequent(self, nums: List[int], k: int) -> List[int]:
+        counts = Counter(nums)
+
+        items = counts.items()
+
+        sort_by_value = sorted(
+            items,
+            key=lambda item: item[1],
+            reverse = True
+        )
+        result = []
+        for i in range(k):
+            result.append(sort_by_value[i][0])
+        return result
+