def GetListOfFeatureNames(feature_names):
  """Extract the list of feature names
     from string of comma separated values.

  Args:
    feature_names: string containing comma separated list of feature names

  Returns:
    List of the feature names
    Elements in the list are strings.
  """
  list_of_feature_names = [
      feature_names.strip() for feature_names in feature_names.split(',')]
  return list_of_feature_names