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]

[46, 62, -30, -72, 26, 18, 3, -21]
[16, 92, 42, 98, 8, 15, 24]

[87, 14]

[73]