docs: def print_banner(filename: str, template: str = DEFAULT_BANNER_TEMPLATE) -> None:
      """
      Print text file to output.
  
      :param filename: Which file to print.
      :param template: Format string which specified banner arrangement.
      :return: Does not return anything
      """
      if not os.path.isfile(filename):
          logger.warning("Can't find logo banner at %s", filename)
          return
  
      with open(filename, "r") as f:
          banner = f.read()
  
      formatted_banner = template.format(banner)
      print(formatted_banner)