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: [71, -32, -98, -57, -77, -95, -91, -63]

SOLUTION: 3

PROBLEM: [4, -45, 58, 51, -49, 79, 29, -54, -67]

SOLUTION:
4