Get personal color standard from JSON file

+import json
+
+class GetJson:
+    def get_standard(self, filename):
+        with open(filename, mode='r') as f:
+            json_data = json.load(f)
+
+        # 아래와 같은 계절별 기준값이 들어갈 리스트
+        result_list = [[[],[]],[[],[]],[[],[]],[[],[]]]
+        '''
+        spr[standard_1[skin[R,G,B], hair[R,G,B], eye[R,G,B]],
+            ...
+            standard_n[skin[R,G,B], hair[R,G,B], eye[R,G,B]]],
+        smr[standard_1[skin[R,G,B], hair[R,G,B], eye[R,G,B]],
+            ...
+            standard_n[skin[R,G,B], hair[R,G,B], eye[R,G,B]]],
+        ...
+        wnt[standard_1[skin[R,G,B], hair[R,G,B], eye[R,G,B]],
+            ...
+            standard_n[skin[R,G,B], hair[R,G,B], eye[R,G,B]]]]
+        '''
+
+        # iterate over each dictionary in our list
+        i = 0
+        j = 0
+        for season in json_data:
+            for std in json_data[season]:
+                for body_part in json_data[season][std]:
+                    result_list[i][j].append(json_data[season][std][body_part])
+                j += 1
+            i += 1
+            j = 0
+        return result_list