code: def get_pin(self, _code=None):
          
          description = (
              'Use the numeric keypad to describe number positions.\n'
              'The layout is:\n'
              '    7 8 9\n'
              '    4 5 6\n'
              '    1 2 3')
          return interact(
              title='{} PIN'.format(self.device_name),
              prompt='PIN:',
              description=description,
              binary=self.pin_entry_binary,
              options=self.options_getter())
docs: Ask the user for (scrambled) PIN.