Home Backend Development Python Tutorial python判断一个集合是否包含了另外一个集合中所有项的方法

python判断一个集合是否包含了另外一个集合中所有项的方法

Jun 10, 2016 pm 03:10 PM
python judgment Include gather

本文实例讲述了python判断一个集合是否包含了另外一个集合中所有项的方法。分享给大家供大家参考。具体如下:

>>> L1 = [1, 2, 3, 3]
>>> L2 = [1, 2, 3, 4]
>>> set(L1).difference(L2)
set([ ])
>>> set(L2).difference(L1)
set([4])

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希望本文所述对大家的Python程序设计有所帮助。

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