TASK DEFINITION: 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.
PROBLEM: [16, 90, 30, -61, 50, 65, -98, -77, -54, 61, 72]

SOLUTION: [74, 60, 91, 111, 15, 163, 21, 23, 115, 11]

PROBLEM: [87, -15]

SOLUTION: [102]

PROBLEM: [69, -85, 68, -18, -97, -97, 23]

SOLUTION:
[154, 153, 86, 79, 0, 120]