SuperDict

class SuperDict(dict):

    def convert_dict_to_SuperDict(self, key, value):
        if type(value) == dict:
            self[key] = self.__class__(value)
        if type(value) == list:
            for n, item in enumerate(value):
                if type(item) == dict:
                    self[key][n] = self.__class__(item)

    def __init__(self, input_dict={}):
        super().__init__(input_dict)
        for key, value in input_dict.items():
            setattr(self, key, value)
            self.convert_dict_to_SuperDict(key, value)

    def __setitem__(self, key, value):
        super().__setitem__(key, value)
        setattr(self, key, value)
        self.convert_dict_to_SuperDict(key, value)

    def __getitem__(self, key):
        return getattr(self, key)

    def __setattr__(self, key, value):
        super().__setattr__(key, value)
        self.convert_dict_to_SuperDict(key, value)
        self.update({key: value})

    def __getattr__(self, attribute):
        ...  # if self.not_existing_attr:

    def keys(self):
        keys = list(self.__dict__.keys())
        return keys

    def values(self):
        values = list(self.__dict__.values())
        return values

    def values_all(self):

        def get_values(input_dict, values=[]):
            for value in input_dict.values():
                if isinstance(value, dict):
                    get_values(value)
                else:
                    values.append(value)
            return values

        return get_values(self)

    def keys_all(self):
        
        def get_keys(input_dict, keys=[]):
            for key, value in input_dict.items():
                if isinstance(value, dict):
                    keys.append(key)
                    get_keys(value)
                else:
                    keys.append(key)
            return keys

        return get_keys(self)