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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def freeze(self) -> dict: """ Returns a dictionary of all settings set for this object, including any values of its parents or hardcoded defaults. """

        settings = {}
        for key, v in self._h.defaults.items():
            settings[key] = self._unserialize(v.value, v.type)
        if self._parent:
            settings.update(getattr(self._parent, self._h.attribute_name).freeze())
        for key in self._cache():
            settings[key] = self.get(key)
        return settings