code: def format_fore(
          number: FormatArg,
          light: Optional[bool] = False,
          extended: Optional[bool] = False) -> str:
      
      return _format_code(
          number,
          backcolor=False,
          light=light,
          extended=extended
      )
docs: Return an escape code for a fore color, by number.
          This is a convenience method for handling the different code types
          all in one shot.
          It also handles some validation.