code: def init_metrics(self, metrics_list):
      return set(metrics_list.split(","))
  
imports: from typing import Any
  import jieba
  from rouge_chinese import Rouge
  import rouge
  import re
  from copy import deepcopy
  from collections import defaultdict
label_desc: Use image node_id 3 for calling the Metric obj's underlying member method code with example usage: obj.init_metrics(metrics_list) and returns: set