TASK DEFINITION: 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.
PROBLEM: [22, 97, 79, 97]

SOLUTION: 0

PROBLEM: [-18, -27, -88, -76, -72]

SOLUTION: 4

PROBLEM: [87, 11, 56, 15]

SOLUTION:
4