Re: common elements between list of lists and lists

[Alexandr N Zamaraev]

>>> list4 = [['1', 'a'],['4', 'd'],['8', 'g']]
>>> list5 = [1, 2, 3]
>>> set5 = set(list5)
>>> [x for n, x in list4 if int(n) in set5]
['a']

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