# Leetcode No.2215
**[題目連結](https://leetcode.com/problems/find-the-difference-of-two-arrays/description/)**
## Python
```python=
class Solution:
def findDifference(self, nums1: List[int], nums2: List[int]) -> List[List[int]]:
result1 = {num1 for num1 in nums1 if num1 not in nums2}
result2 = {num2 for num2 in nums2 if num2 not in nums1}
return [list(result1), list(result2)]
```