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: [-11, 20, -57, -39]

SOLUTION: 18

PROBLEM: [4, -54, 38]

SOLUTION: 34

PROBLEM: [-68, 68, -6, 3, -33, -33]

SOLUTION:
0