code: def do_info(self, arg, arguments):
          
          if arguments["--all"]:
              Console.ok(70 * "-")
              Console.ok('DIR')
              Console.ok(70 * "-")
              for element in dir(self):
                  Console.ok(str(element))
              Console.ok(70 * "-")
          self.print_info()
docs: ::
  
              Usage:
                     info [--all]
  
              Options:
                     --all  -a   more extensive information 
  
              Prints some internal information about the shell