code: def __str__(self):
      return self.character
  
file_path: underthesea/examples/text_normalize/build_rules.py
imports: from os.path import join, dirname
  import joblib
  from datetime import datetime
  import pandas
  from normalize import AnalysableWord
label_desc: Use image node_id 3 for calling the LatexCharacter obj's underlying member method code with example usage: obj.__str__() and returns: self