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.

[91, 20]
[71]

[-98, -14, 71, 76, 89, -29, -45, -23, 72, 1, -67, 89, 42, 94, 41]
[84, 85, 5, 13, 118, 16, 22, 95, 71, 68, 156, 47, 52, 53]

[25, 15, 42, -78]

[10, 27, 120]