code: def encode_string(s: Text) -> Text:
      """Return an encoded python string."""
  
      def replace(match: Match) -> Text:
          return ESCAPE_DCT[match.group(GROUP_COMPLETE_MATCH)]
  
      return ESCAPE.sub(replace, s)
  
imports: import json
  import logging
  import os
  import re
  from typing import Any, Dict, Optional, Text, Match, List
  import scipy.sparse
  from rasa.shared.nlu.constants import ENTITIES, EXTRACTOR, PRETRAINED_EXTRACTORS, ENTITY_ATTRIBUTE_START, ENTITY_ATTRIBUTE_END, ENTITY_ATTRIBUTE_VALUE, ENTITY_ATTRIBUTE_TYPE, ENTITY_ATTRIBUTE_ROLE, ENTITY_ATTRIBUTE_GROUP
  from rasa.shared.constants import UTTER_PREFIX
  import rasa.shared.utils.io
  import rasa.shared.data
label_desc: Use image node_id 8 for calling a global function with example usage: encode_string(s) and returns: ESCAPE, ESCAPE_DCT