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.

[Q]: [67, 81]
[A]: [14]


[Q]: [13, -14, -17, 13, 48, 57, 44, 85, -75, -78, -68, -18, -73, 47, -70]
[A]: [27, 3, 30, 35, 9, 13, 41, 160, 3, 10, 50, 55, 120, 117]


[Q]: [-68, 69, 20, -86]
[A]:
[137, 49, 106]