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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_instance(self, payload):
 """ Build an instance of FaxMediaInstance :param dict payload: Payload response from the API :returns: twilio.rest.fax.v1.fax.fax_media.FaxMediaInstance :rtype: twilio.rest.fax.v1.fax.fax_media.FaxMediaInstance """

        return FaxMediaInstance(self._version, payload, fax_sid=self._solution['fax_sid'], )