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: [12, -29, -31, 91, -52, 49, -18]

SOLUTION: 2

PROBLEM: [-7, 71, 48, 96, -48, -11, -61]

SOLUTION: 4

PROBLEM: [53, 39, -5]

SOLUTION:
14