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, 11, 84, -2, 26, 64, 54, -49, 28]

SOLUTION: 2

PROBLEM: [100, -87, -95, -56]

SOLUTION: 8

PROBLEM: [83, -80, -58, -83, -65]

SOLUTION:
3