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, 41]
[21]

[42, 86, -81, -78, 44, -64, 20, 57, -67]
[44, 167, 3, 122, 108, 84, 37, 124]

[-88, 30]

[118]