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: [21, -75, 72]

SOLUTION: 51

PROBLEM: [64, 92, 67, 3, -34, -64]

SOLUTION: 3

PROBLEM: [17, -97, -4, 71, 20, -21, -6, -78]

SOLUTION:
2