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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_objects_with_same_attribute(self, objects: Set[Object], attribute_function: Callable[[Object], str]) -> Set[Object]: """ Returns the set of objects for which the attribute function returns an attribute value that is most frequent in the initial set, if the frequency is greater than 1. If not, all objects have different attribute values, and this method returns an empty set. """

        objects_of_attribute: Dict[str, Set[Object]] = defaultdict(set)
        for entity in objects:
            objects_of_attribute[attribute_function(entity)].add(entity)
        if not objects_of_attribute:
            return set()
        most_frequent_attribute = max(objects_of_attribute, key=lambda x: len(objects_of_attribute[x]))
        if len(objects_of_attribute[most_frequent_attribute]) <= 1:
            return set()
        return objects_of_attribute[most_frequent_attribute]