code: def get_max_value(self):
          
  
          value = self.get_default_value()
  
          if self.attribute_type is str:
              max_value = value.ljust(self.max_length + 1, 'a')
  
          elif self.attribute_type is int:
              max_value = self.max_length + 1
  
          else:
              raise TypeError('Attribute %s can not have a maximum value' % self.local_name)
  
          return max_value
docs: Get the maximum value