https://leetcode.com/problems/minimum-common-value/


Success


```python
class Solution:
    def getCommon(self, nums1: List[int], nums2: List[int]) -> int:
        #2023/02/04 07:15
        common_set = set(nums1) & set(nums2)
        if len(common_set) >= 1:
            return min(common_set)
        else:
            return -1
        #2023/02/04 07:16
```