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.

Input: Consider Input: [67, 81]

Output: [14]


Input: Consider Input: [54, 26, 61, 48, 23, 23, -30, -72, 14]

Output: [28, 35, 13, 25, 0, 53, 42, 86]


Input: Consider Input: [-62, -31, -50, -73]


Output: [31, 19, 23]