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: [40, 34, -39]

Answer: [37.0, -2.5]


Question: [-80, -100, -83, -56, -16, 87]

Answer: [-90.0, -91.5, -69.5, -36.0, 35.5]


Question: [22, -24, 84, -71, 96]

Answer:
[-1.0, 30.0, 6.5, 12.5]