Is there a short contains function for lists?

Is there a short contains function for lists?

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defaultdict of defaultdict?

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Cost of len() function

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How to sort Counter by value? - python

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How can I create a Set of Sets in Python?

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assertAlmostEqual in Python unit-test for collections of floats

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Python defaultdict and lambda

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What is the purpose of collections.ChainMap?

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Why does Python not support record type? (i.e. mutable namedtuple)

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Pythonic way to iterate over a collections.Counter() instance in descending order?

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What's the difference between the square bracket and dot notations in Python?

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Subtracting two lists in Python

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setting the default string value of Python's collections.defaultdict

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python defaultdict: 0 vs. int and [] vs list

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Python "set" with duplicate/repeated elements

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