code: def _tdec(code: str, unit: str = 'C') -> str:
      
      ret = f"{'-' if code[0] == '1' else ''}{int(code[1:3])}.{code[3]}"
      if unit:
          ret += f'°{unit}'
      return ret
docs: Translates a 4-digit decimal temperature representation
  
      Ex: 1045 -> -4.5°C    0237 -> 23.7°C