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: [18, 21, 77, 69, 55, 2, 31, -48, -6, 49, 21, -79]

SOLUTION: [3, 56, 8, 14, 53, 29, 79, 42, 55, 28, 100]

PROBLEM: [13, -11, -70, 79, -46, 55, 66, -16, -28, -19, -30, -56, -5, 4, -60]

SOLUTION: [24, 59, 149, 125, 101, 11, 82, 12, 9, 11, 26, 51, 9, 64]

PROBLEM: [-44, 79, -60, -47]

SOLUTION:
[123, 139, 13]