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: [-6, -55, 20]

SOLUTION: [49, 75]

PROBLEM: [-12, -58, 60, 21, 91, 51, 59, -52, 7]

SOLUTION: [46, 118, 39, 70, 40, 8, 111, 59]

PROBLEM: [-15, -19, -88, 25, 4, -58, 45, 83, 25]

SOLUTION:
[4, 69, 113, 21, 62, 103, 38, 58]