Python checks whether a collection contains all the items of another collection

From , 4 Years ago, written in Python, viewed 53 times.

>>> 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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