class DBClient: PATH = 'hoge/fuga' @classmethod def insert(cls, recs): for rec in recs: # ここでは仮でprintするだけとする print(f"PATH: {cls.PATH}, name: {rec['name']}, age: {rec['age']}") records = [ {"name": "Taro", "age": 20}, {"name": "Jiro", "age": 18}, {"name": "Saburo", "age": 12} ] DBClient.insert(records) import dataclasses from typing import Final @dataclasses.dataclass class Record: name: str age: i