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: [100, 89, 62, 55, 30, 85, -30, -4]

SOLUTION: 4

PROBLEM: [-16, 15, -28]

SOLUTION: 12

PROBLEM: [23, 1, 57, 35, -6, -15, 93]

SOLUTION:
7