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.

[20, -64, -71, 89, 51, 86, 55, 58, 45, 13, -97, 31, -77]
[84, 7, 160, 38, 35, 31, 3, 13, 32, 110, 128, 108]

[35, -73]
[108]

[75, -37, 63, -17, -42, 53, -39]

[112, 100, 80, 25, 95, 92]