In this task you will be given a list of integers. You should find the minimum absolute difference between 2 integers in the list. The absolute difference is the absolute value of one integer subtracted by another. The output should be a single integer which is the smallest possible absolute distance.

[Q]: [-45, 57, 39, -71, -20, -96, -28]
[A]: 8


[Q]: [77, 43, 83, 42]
[A]: 1


[Q]: [81, -58, -13, 15]
[A]:
28