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.

[7, -60, -13, -16, 20, -76, 97]
3

[15, 70, -35, -31]
4

[7, -56, 90, 16, 49, -7]

9