code: def create_label(all_eval_features, removed_features, label_mode):
      eval_features = set(all_eval_features)
      if label_mode == LabelMode.AddFeature:
          add_features = eval_features - set(removed_features)
          return "Features: {}".format(
              FactorUtils.factors_to_ranges_string(add_features)
          )
      else:
          return "Ignore: {}".format(
              FactorUtils.factors_to_ranges_string(
                  set(removed_features)
              )
          )
  
file_path: catboost/catboost/python-package/catboost/eval/factor_utils.py
imports: from enum import Enum
label_desc: Use image node_id 7 for calling the FactorUtils obj's underlying member method code with example usage: obj.create_label(all_eval_features, removed_features, label_mode) and returns: str, str