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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 _config2von(self, config: dict, access: str = None) -> dict: """ Given a configuration dict with indy and possibly more configuration values, return the corresponding VON wallet configuration dict from current default and input values. :param config: input configuration :param access: access credentials value :return: configuration dict for VON wallet with VON-specific entries """


        rv = {k: config.get(k, self._defaults[k]) for k in ('auto_create', 'auto_remove')}
        rv['access'] = access or self.default_access
        for key in ('seed', 'did', 'link_secret_label'):
            if key in config:
                rv[key] = config[key]
        return rv