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.

Example input: [7, 1, 5, 8, -4]
Example output: [6, 4, 3, 12]
Example explanation: The output is a list of the absolute value of the differences of every two consecutive values. So this is a good example.
Q: [74, 72, 53, 45, 84, -69, 86, 69, -39, -39]
A:
[2, 19, 8, 39, 153, 155, 17, 108, 0]