leetcode1200

 1 import sys
 2 class Solution:
 3     def minimumAbsDifference(self, arr: List[int]) -> List[List[int]]:
 4         n = len(arr)
 5         arr = sorted(arr)
 6         if n == 2:
 7             return [arr]
 8         dic = {}
 9         minval = sys.maxsize
10         for i in range(n-1):
11             j = i + 1
12             diff = arr[j] - arr[i]
13             if diff <= minval:
14                 minval = diff
15                 if diff not in dic:
16                     dic[diff] = [[arr[i],arr[j]]]
17                 else:
18                     dic[diff].append([arr[i],arr[j]])
19                 
20         return dic[minval]