def volleyball_strategy(playbook={'serve': 'powerful', 'defense': 'solid', 'attack': 'aggressive'}): if 'slip by' in playbook.values(): review(playbook); else: playbook.update({'secret_technique': 'undivulged'}); predismissal_checks = ['gear', 'formation', 'spirit']; for check in predismissal_checks: if check == 'formation': start_again(); return 'keep your secret techniques undivulged until the moment is right, review your strategies but don’t let the chance to surprise your opponent slip by. gear up, check your formation, and if necessary, be ready to start again with a fresh approach.'