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: [78, -81, -81, 33, -12, -16]

SOLUTION: 0

PROBLEM: [69, 86, 3, -53, -33, 80, 20, 64]

SOLUTION: 5

PROBLEM: [-93, -89, -4]

SOLUTION:
4