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: [18, -90, 72, -52, -28]

SOLUTION: 24

PROBLEM: [-82, 4, -36]

SOLUTION: 40

PROBLEM: [-31, 39, -43, -63, 79, -2, 1]

SOLUTION:
3