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: [82, -6, -31, 31, 30]

Answer: [38.0, -18.5, 0.0, 30.5]


Question: [-40, 54]

Answer: [7.0]


Question: [-69, 46, -73, 79, 26, -75, 88, -31]

Answer:
[-11.5, -13.5, 3.0, 52.5, -24.5, 6.5, 28.5]