[LeetCode] 349. Intersection of Two Arrays

Python

class Solution:
    def intersection(self, nums1: List[int], nums2: List[int]) -> List[int]:
        answer = []
        num1, num2 = set(nums1), set(nums2)
        for i in set(num1):
            if i in set(num2):
                answer.append(i)
        
        return answer