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: [-45, 57, 39, -71, -20, -96, -28]

SOLUTION: 8

PROBLEM: [15, 70, -35, -31]

SOLUTION: 4

PROBLEM: [-8, 67, -79, -44, 42, -89, -25, -68, 98]

SOLUTION:
10