code: def _out_stages(dvc_config):
      out_stages = {}
      for stage_name, stage_config in _stages_config(
          dvc_config
      ).items():
          for out in _stage_outs(stage_config):
              out_stages[out] = stage_name
      return out_stages
  
imports: import json
  import logging
  import os
  import subprocess
  import yaml
  from guild import util
  from guild import var
label_desc: Use image node_id 5 for calling a global function with example usage: _out_stages(dvc_config) and returns: out_stages