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.

Input: Consider Input: [-20, 57, -40, -65, -18, -3]

Output: 2


Input: Consider Input: [95, -73, -56, 89, 10, 97, -76, 72]

Output: 2


Input: Consider Input: [20, 50, 70]


Output: 20