code: def attemptCrack(self, ctext: str) -> List[CrackResult]:
      logging.info(f"Trying ROT47 cipher on {ctext}")
  
      logging.debug("Beginning cipheycore simple analysis")
  
      # Hand it off to the core
      analysis = self.cache.get_or_update(
          ctext,
          "cipheycore::simple_analysis",
          lambda: cipheycore.analyse_string(ctext),
      )
      logging.debug("Beginning cipheycore::caesar")
      possible_keys = cipheycore.caesar_crack(
          analysis, self.expected, self.group, self.p_value
      )
  
      n_candidates = len(possible_keys)
      logging.info(f"ROT47 returned {n_candidates} candidates")
  
      if n_candidates == 0:
          logging.debug("Filtering for better results")
          analysis = cipheycore.analyse_string(ctext, self.group)
          possible_keys = cipheycore.caesar_crack(
              analysis, self.expected, self.group, self.p_value
          )
  
      candidates = []
  
      for candidate in possible_keys:
          logging.debug(
              f"Candidate {candidate.key} has prob {candidate.p_value}"
          )
          translated = cipheycore.caesar_decrypt(
              ctext, candidate.key, self.group
          )
          candidates.append(
              CrackResult(value=translated, key_info=candidate.key)
          )
  
      return candidates
  
file_path: Ciphey/ciphey/basemods/Crackers/rot47.py
imports: from typing import Dict, List, Optional
  import cipheycore
  import logging
  from rich.logging import RichHandler
  from ciphey.iface import Config, Cracker, CrackInfo, CrackResult, ParamSpec, registry
label_desc: Use image node_id 3 for calling the Rot47 obj's underlying member method code with example usage: obj.attemptCrack(ctext) and returns: candidates