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: [-20, -43, -74, -82]

SOLUTION: 8

PROBLEM: [-30, 10, 4, -91]

SOLUTION: 6

PROBLEM: [-30, -48, -59, 9, -4, 85]

SOLUTION:
11