TASK DEFINITION: In this task you are given a list of integers and you need to find the absolute value of the difference between each two consecutive values. The output should be a list of the absolute value of the differences of each two consecutive values.
PROBLEM: [-86, -60, -85, 23, 67, -19, 79, 88, -18, -98, 41, 90, -89, 80, 31]

SOLUTION: [26, 25, 108, 44, 86, 98, 9, 106, 80, 139, 49, 179, 169, 49]

PROBLEM: [22, 87, 29, 12]

SOLUTION: [65, 58, 17]

PROBLEM: [39, 69, 76, -23, 6, -28, -56, 79, -45, -89, 64, -60]

SOLUTION:
[30, 7, 99, 29, 34, 28, 135, 124, 44, 153, 124]