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: [-84, 52, -37, -65, -99, 21, -68]

SOLUTION: 3

PROBLEM: [-27, 24, 65, 68, -9, -66, 10, 56, -7]

SOLUTION: 2

PROBLEM: [-4, -6, -54]

SOLUTION:
2