class_docstr: Base class.
class_docstr_tok: ["Base","class","."]
docstr: Args:
      :return: (str) Delimiter for data used when we saved fold to file.
docstr_tok: ["Args",":",":","return",":","(","str",")","Delimiter","for","data","used","when","we","saved","fold","to","file","."]
code: def get_separator(self):
      """
      Args:
          :return: (str) Delimiter for data used when we saved fold to file.
  
      """
      return self._sep
  
imports: from __future__ import print_function
  import os
  from ..None import CatBoostError
  from ..eval.log_config import get_eval_logger
  from .utils import make_dirs_if_not_exists
label_desc: Use image node_id 3 for calling the FoldStorage obj's underlying member method code with example usage: obj.get_separator() and returns: self