def get_feature_names(self):
if self.__head_less:<EOL><INDENT>raise AttributeError(f'<STR_LIT>')<EOL><DEDENT>elif not self.__head_dict:<EOL><INDENT>raise NotFittedError(f'<STR_LIT>')<EOL><DEDENT>return list(self.__head_dict.values())<EOL>
Get feature names.

        Returns
        -------
        feature_names : list of strings
            Names of the features produced by transform.