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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _GetInstanceConfig(self):
 """Get the instance configuration specified in metadata. Returns: string, the instance configuration data. """

    try:
      instance_data = self.metadata_dict['instance']['attributes']
    except KeyError:
      instance_data = {}
      self.logger.warning('Instance attributes were not found.')

    try:
      project_data = self.metadata_dict['project']['attributes']
    except KeyError:
      project_data = {}
      self.logger.warning('Project attributes were not found.')

    return (instance_data.get('google-instance-configs')
            or project_data.get('google-instance-configs'))