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: [-4, -30, 97, 97, -100, 1, -22, -28, 20]

SOLUTION: 0

PROBLEM: [-71, 86, -74]

SOLUTION: 3

PROBLEM: [-85, 74, -28, 19, 21, 7, -33, -45, 77, 67]

SOLUTION:
2