code: def get_int_range_validator(start, stop):
          
          def validate_int_range(value):
              """Integer range validator."""
              value = int(value)
              if value >= start and value < stop:
                  return value
              raise ValueError("Not in <{0},{1}) range".format(start, stop))
          return validate_int_range
docs: Return an integer range validator to be used with `add_setting`.
  
          :Parameters:
              - `start`: minimum value for the integer
              - `stop`: the upper bound (maximum value + 1)
          :Types:
              - `start`: `int`
              - `stop`: `int`
  
          :return: a validator function