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: [-43, -67, -100, 28]

SOLUTION: 24

PROBLEM: [-20, 57, -40, -65, -18, -3]

SOLUTION: 2

PROBLEM: [13, -38, 5, 28]

SOLUTION:
8