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: [71, 18, 49, -100, 8, 17, -91, -51, 61, -86, -66, -9, 12, 44, 61]

SOLUTION: [53, 31, 149, 108, 9, 108, 40, 112, 147, 20, 57, 21, 32, 17]

PROBLEM: [21, 66, 11, -45, 14, -4, -46, -85, -16, 9, 97, -44, 68, -51]

SOLUTION: [45, 55, 56, 59, 18, 42, 39, 69, 25, 88, 141, 112, 119]

PROBLEM: [-99, 74]

SOLUTION:
[173]