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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 get_allowed_reset_keys_values(self):
 """Get the allowed values for resetting the system. :returns: A set with the allowed values. """

        reset_keys_action = self._get_reset_keys_action_element()

        if not reset_keys_action.allowed_values:
            LOG.warning('Could not figure out the allowed values for the '
                        'reset keys in secure boot %s', self.path)
            return set(mappings.SECUREBOOT_RESET_KEYS_MAP_REV)

        return set([mappings.SECUREBOOT_RESET_KEYS_MAP[v] for v in
                    set(mappings.SECUREBOOT_RESET_KEYS_MAP).
                    intersection(reset_keys_action.allowed_values)])