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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 execute(self):
 """ Execute the actions necessary to cleanup the instances and returns None. :return: None """

        self.print_info()

        if not self._config.provisioner.playbooks.cleanup:
            msg = 'Skipping, cleanup playbook not configured.'
            LOG.warn(msg)
            return

        self._config.provisioner.cleanup()