from typing import List
class Solution:
def minimumAverage(self, nums: List[int]) -> float:
# 由题意得nums长度为偶数,所以将nums按照大小排序,然后取前后两个元素的平均值,取最小值即可。
nums.sort()
result = (nums[0] + nums[-1]) / 2
for i in (range(len(nums) // 2)):
result = min(result, (nums[i] + nums[-(i + 1)]) / 2)
return result