class EasyDict(dict):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self._convert_nested()

    def _convert_nested(self):
        for key, value in self.items():
            if isinstance(value, dict):
                self[key] = EasyDict(value)
            elif isinstance(value, list):
                self[key] = [EasyDict(item) if isinstance(item, dict) else item for item in value]

    def __getattr__(self, key):
        try:
            return self[key]
        except KeyError:
            raise AttributeError(f"'EasyDict' object has no attribute '{key}'")

    def update(self, **kwargs):
        assert kwargs is not None and kwargs.get("dict", None) is not None
        for key, value in kwargs["dict"].items():

            cur_value  = self.get(key, None)
            if isinstance(cur_value, dict) and isinstance(value, dict):
                self[key].update(dict = value)
                continue

            if isinstance(cur_value, list) and isinstance(value, list):
                self[key].extend([EasyDict(item) if isinstance(item, dict) else item for item in value])
                continue

            if isinstance(value, dict):
                self[key] = EasyDict(value)
                continue

            if isinstance(value, list):
                self[key] = [EasyDict(item) if isinstance(item, dict) else item for item in value]
                continue

            self[key] = value

    def to_dict(self):
        result = {}
        for key, value in self.__dict__.items():
            if isinstance(value, EasyDict):
                result[key] = value.to_dict()
            elif isinstance(value, list):
                result[key] = [
                    item.to_dict() if isinstance(item, EasyDict) else item
                    for item in value
                ]
            else:
                result[key] = value
        return result

def test_easy_dict():
    easy_dict = EasyDict({"c": 2, "2": 3})
    easy_dict.update(dict = {"c": 4, "2": {"d": 5}})
    print(easy_dict)


if __name__ == '__main__':
    test_easy_dict()