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]: [20, 43, 2, -55]
[A]: 18


[Q]: [-99, -61, -41, 67, 70, 45]
[A]: 3


[Q]: [-59, 46, -86, -2, -26, 39, 31, 67, -20]
[A]:
6