python逻辑返回问题求助,python逻辑问题求助,(( airQulity


(( airQulity < 50) and '良好' or ((airQulity<100) and '中等' or ((airQulity < 150) and '对敏感人群不健康' or ((airQulity < 200) and '差'or ((airQulity<300) and '非常差' or '非常非常差,完全不建议户外活动'))))

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