349. Intersection of Two Arrays【E】

Given two arrays, write a function to compute their intersection.

Example:
Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2].

Note:

• Each element in the result must be unique.
• The result can be in any order.

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class Solution(object):
    def intersection(self, nums1, nums2):
        s1 = set(nums1)
        s2 = set(nums2)
        return list(s1 & s2)