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.
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Question: [20, -64, -71, 89, 51, 86, 55, 58, 45, 13, -97, 31, -77]

Answer: [84, 7, 160, 38, 35, 31, 3, 13, 32, 110, 128, 108]

Question: [-70, 54, 42, 81]

Answer: [124, 12, 39]

Question: [33, -63, -21, 51, 74, 57]

Answer:
[96, 42, 72, 23, 17]