code: def generate_character_cell(self):
      unicode_code = hex(ord(self.character)).upper()
      if len(unicode_code) == 4:
          unicode_code = "00" + unicode_code[2:]
      elif len(unicode_code) == 5:
          unicode_code = "0" + unicode_code[2:]
      cell = ""
      cell += "\\begin{tabular}{@{}c@{}}" + self.character
      cell += "\\\\ \small\\verb|" + unicode_code + "|\end{tabular}"
      return cell
  
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 2 for calling the LatexCharacter obj's underlying member method code with example usage: obj.generate_character_cell() and returns: cell