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, 93, 1, 100, -26, 69, -77]

SOLUTION: 6

PROBLEM: [-43, -67, -100, 28]

SOLUTION: 24

PROBLEM: [18, 42, 73, -74, 20, 93, 79, -2, 16]

SOLUTION:
2