code: def validate_maximum(value, maximum, is_exclusive, **kwargs):
      
      if is_exclusive:
          comparison_text = "less than"
          compare_fn = operator.lt
      else:
          comparison_text = "less than or equal to"
          compare_fn = operator.le
  
      if not compare_fn(value, maximum):
          raise ValidationError(
              MESSAGES['maximum']['invalid'].format(value, comparison_text, maximum),
          )
docs: Validator function for validating that a value does not violate it's
      maximum allowed value.  This validation can be inclusive, or exclusive of
      the maximum depending on the value of `is_exclusive`.