code: def get_display(display):
      
  
      modname = _display_mods.get(platform, _default_display_mod)
      mod = _relative_import(modname)
      return mod.get_display(display)
docs: dname, protocol, host, dno, screen = get_display(display)
  
      Parse DISPLAY into its components.  If DISPLAY is None, use
      the default display.  The return values are:
  
        DNAME    -- the full display name (string)
        PROTOCOL -- the protocol to use (None if automatic)
        HOST     -- the host name (string, possibly empty)
        DNO      -- display number (integer)
        SCREEN   -- default screen number (integer)