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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_rtr_name(self, router_id):
 """Retrieve the router name. Incomplete. """

        try:
            body = {}
            router = self.neutronclient.show_router(router_id, body=body)
            return router.get('router').get('name')
        except Exception as exc:
            LOG.error("Failed to show router interface %(id)s "
                      "Exc %(exc)s", {'id': router_id, 'exc': str(exc)})