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: [56, 99]

SOLUTION: [43]

PROBLEM: [69, -25, 69, -20, 23, -85, 48, -81, -36, 49, 8, -52, 70]

SOLUTION: [94, 94, 89, 43, 108, 133, 129, 45, 85, 41, 60, 122]

PROBLEM: [-76, -48, -66, 1, 70, 83, 68, 9, 45, -83, 22, 11, -48, 20]

SOLUTION:
[28, 18, 67, 69, 13, 15, 59, 36, 128, 105, 11, 59, 68]