code: def _get_attributes(self):
          
          return map((lambda i, c: (i[1], c[1])),
                     self._get_instance_attributes(),
                     self.get_class_attributes())
docs: Return a generator for instance and class attribute.
  
          .. code-block:: python3
  
              for instance_attribute, class_attribute in self._get_attributes():
                  print("Instance Attribute: {}".format(instance_attribute))
                  print("Class Attribute: {}".format(class_attribute))
  
          Returns:
              generator: Tuples with instance attribute and class attribute