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: [-93, -55, -32]

SOLUTION: 23

PROBLEM: [-45, 50, 29, 33, 37, -81, -85]

SOLUTION: 4

PROBLEM: [-78, -3, -18]

SOLUTION:
15