[Python3] Good enough
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```python3 []
class Solution:
    def getLargestOutlier(self, nums: List[int]) -> int:
        nums.sort()
        mapping = {}
        summ = 0

        for x in nums:
            mapping[x] = mapping.get(x, 0) + 1
            summ += x
        
        for x in nums[::-1]:
            other = (summ-x) / 2
            if mapping.get(other, 0) >= 1 + (x==other):
                return x
```
['Python3']