列表推导式

 [x for x in data if x > 0]

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字典推导式

 {k, v for k, v in data.iteritems() if v > 90}

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集合推导式

 {x for x in data if x % 3 == 0}

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生成器推导式

 (x for x in range(100) if x%2 == 0)