def show_account(self):
        with self.get("/v3/account/show") as res:
            code, body = res.status, res.read()
            if code != 200:
                self.raise_error("Show account failed", res, body)
            js = self.checked_json(body, ["account"])
            a = js["account"]
            account_id = int(a["id"])
            plan = int(a["plan"])
            storage_size = int(a["storage_size"])
            guaranteed_cores = int(a["guaranteed_cores"])
            maximum_cores = int(a["maximum_cores"])
            created_at = self._parsedate(a["created_at"], "%Y-%m-%d")
            return [account_id, plan, storage_size, guaranteed_cores, maximum_cores, created_at]
L{UserDatabase.addUser} accepts seven arguments, one for each field of
dataset/ETHPy150Open treasure-data/td-client-python/tdclient/account_api.py/AccountAPI.show_account--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/test/test_fakepwd.py/UserDatabaseTests.test_addUser