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, 21, -47, 31]

SOLUTION: 10

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

SOLUTION: 4

PROBLEM: [2, 71, 36, 68, 37]

SOLUTION:
1