code: def set_default(font=DEFAULT_FONT, chr_ignore=True, filename="art",
                  print_status=True):
      
      if isinstance(font, str) is False:
          raise artError(FONT_TYPE_ERROR)
      if isinstance(chr_ignore, bool) is False:
          raise artError(CHR_IGNORE_TYPE_ERROR)
      if isinstance(filename, str) is False:
          raise artError(FILE_TYPE_ERROR)
      if isinstance(print_status, bool) is False:
          raise artError(PRINT_STATUS_TYPE_ERROR)
      tprint.__defaults__ = (font, chr_ignore)
      tsave.__defaults__ = (font, filename, chr_ignore, print_status)
      text2art.__defaults__ = (font, chr_ignore)
docs: Change text2art, tprint and tsave default values.
  
      :param font: input font
      :type font:str
      :param chr_ignore: ignore not supported character
      :type chr_ignore:bool
      :param filename: output file name (only tsave)
      :type filename:str
      :param print_status : save message print flag (only tsave)
      :type print_status:bool
      :return: None