In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].
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Question: [-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]

Answer: [-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]


Question: [76, -70, 13, 17, 80, 21, 62]

Answer: [3.0, -28.5, 15.0, 48.5, 50.5, 41.5]


Question: [-5, 17, -88, -7, -90, -46, -56, 3, -82]

Answer:
[6.0, -35.5, -47.5, -48.5, -68.0, -51.0, -26.5, -39.5]