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: [-9, 40]

SOLUTION: [49]

PROBLEM: [49, 83, 90, 41, 0]

SOLUTION: [34, 7, 49, 41]

PROBLEM: [57, -63]

SOLUTION:
[120]