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: [23, 45, -40, 10, 70, 20, 55, -30]

SOLUTION: [22, 85, 50, 60, 50, 35, 85]

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

SOLUTION: [124, 12, 39]

PROBLEM: [23, 39, -48, 73, 12, 67, -78, -10, 51]

SOLUTION:
[16, 87, 121, 61, 55, 145, 68, 61]