code: def get_multi_metrics():
      multi_ensembles = MetricEnsemble()
      multi_ensembles.add_metric(classi.MultiAccuracy()).add_metric(
          classi.MultiPrecision()
      ).add_metric(classi.MultiRecall())
  
      return multi_ensembles
  
file_path: FATE/python/fate/ml/evaluation/tool.py
imports: import inspect
  from fate.ml.evaluation import classification
  from fate.ml.evaluation import regression
  from fate.ml.evaluation.metric_base import Metric, MetricEnsemble
label_desc: Use image node_id 5 for calling a global function with example usage: get_multi_metrics() and returns: multi_ensembles