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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 referenced_by(self):
 """ Show all references for this element. A reference means that this element is being used, for example, in a policy rule, as a member of a group, etc. :return: list referenced elements :rtype: list(Element) """

        href = fetch_entry_point('references_by_element')
        return [Element.from_meta(**ref)
                for ref in self.make_request(
                    method='create',
                    href=href,
                    json={'value': self.href})]