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.

[38, 4]
[34]

[44, 83, -9, 72, -24, 14, 65, 8, -71, 7, -16, -58, -40]
[39, 92, 81, 96, 38, 51, 57, 79, 78, 23, 42, 18]

[-98, 79, 60, 51, 64, -23, 26, 10, 44, 73, 42, -27]

[177, 19, 9, 13, 87, 49, 16, 34, 29, 31, 69]