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: [-28, 14, 6, -47, 89, 75, -58, -75, 90]

SOLUTION: [42, 8, 53, 136, 14, 133, 17, 165]

PROBLEM: [49, 40, -85, -52, 28]

SOLUTION: [9, 125, 33, 80]

PROBLEM: [89, 58, -9, 6, 20, -35, 78, 81]

SOLUTION:
[31, 67, 15, 14, 55, 113, 3]