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: [20, 43, 2, -55]

SOLUTION: 18

PROBLEM: [-50, 65, -20, -95, 81, -2]

SOLUTION: 16

PROBLEM: [60, 45, -2]

SOLUTION:
15