[Python3] 2 lines solution (sorting and 2 pointers)
python3 []\nclass Solution:\n    def minimumAverage(self, nums: List[int]) -> float:\n        nums.sort()\n        return min((nums[i] + nums[~i]) / 2 for i in 
```python3 []\nclass Solution:\n    def minimumAverage(self, nums: List[int]) -> float:\n        nums.sort()\n        return min((nums[i] + nums[~i]) / 2 for i in range(len(nums)//2))\n```
['Two Pointers', 'Python', 'Python3']