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: [-43, 80]

SOLUTION: [123]

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

SOLUTION: [124, 12, 39]

PROBLEM: [20, 69, -12]

SOLUTION:
[49, 81]

