python if lists intersect code example

Example 1: python check if two lists intersect

a = [1, 2, 3]
b = [3, 4, 5]

bool(set(a) & set(b))

Example 2: intersect in python list

>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]