import abc


class DAOUtil(abc.ABC):

    def __init__(self, url):
        super().__init__()
        self.url = url

    @staticmethod
    def save(self, json):
        pass

    @staticmethod
    def update(self, json):
        pass

    @staticmethod
    def delete(self, json):
        pass

4f6f0c1dcf3e4befcdbe3be6adbabde0123000be
<mask token>


class DAOUtil(abc.ABC):
    <mask token>
    <mask token>
    <mask token>
    <mask token>

<mask token>


class DAOUtil(abc.ABC):

    def __init__(self, url):
        super().__init__()
        self.url = url
    <mask token>

    @staticmethod
    def update(self, json):
        pass

    @staticmethod
    def delete(self, json):
        pass

<mask token>


class DAOUtil(abc.ABC):

    def __init__(self, url):
        super().__init__()
        self.url = url

    @staticmethod
    def save(self, json):
        pass

    @staticmethod
    def update(self, json):
        pass

    @staticmethod
    def delete(self, json):
        pass

import abc


class DAOUtil(abc.ABC):

    def __init__(self, url):
        super().__init__()
        self.url = url

    @staticmethod
    def save(self, json):
        pass

    @staticmethod
    def update(self, json):
        pass

    @staticmethod
    def delete(self, json):
        pass
