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: [66, -20, 22, -77, 56, 56, -19, -91]

SOLUTION: 0

PROBLEM: [-69, -77, -30, -87, -25, -32, 27, 77, 59, 55]

SOLUTION: 2

PROBLEM: [18, 90, 47, 3]

SOLUTION:
15