Top K Frequent Elements. Resolves issue #513

Python/347_Top_K_Frequent_Elements.py

@@ -0,0 +1,18 @@
+'''
+Using python's library: collections
+# from collections import Counter
+
+Use the counter object to store all frequencies of the list.
+Usimg the most_common method, which takes an argument N, signifying the number of most common elements to be returned.
+
+The returned list consists of tuples (num, freq).
+Return the first element of each tuple as the final answer.
+
+'''
+class Solution:
+    def topKFrequent(self, nums: List[int], k: int) -> List[int]:
+
+        freq = Counter(nums)
+        t = list(freq.most_common(k))
+        return [x[0] for x in t]
+