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: [20, 41]

SOLUTION: [21]

PROBLEM: [-70, 54, 42, 81]

SOLUTION: [124, 12, 39]

PROBLEM: [-63, -14, -50]

SOLUTION:
[49, 36]

