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.

[28, -16, -61, 21, 3, -22, 73]
6

[-64, 43, -9, 83, 90, -55, -4]
5

[-39, -41, 21, -99]

2

