In this task you will be given a list of integers. You should find the maximum 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 largest possible absolute distance.

[25, 1, 51, -39, -78, 91, 21]
169

[-14, -5, 54, 15]
68

[71, 98, -33, -12]

131