onlybooks#16 Change return type to List[] from ValuesView[].

Author: likejazz

2-python/ch06/5-1.py

@@ -9,4 +9,4 @@ def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
         for word in strs:
             # 정렬하여 딕셔너리에 추가
             anagrams[''.join(sorted(word))].append(word)
-        return anagrams.values()
+        return list(anagrams.values())