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: [31, -43]

Answer: [-6.0]


Question: [6, 80, -33, -48, -65, 9, 53, 34, 54]

Answer: [43.0, 23.5, -40.5, -56.5, -28.0, 31.0, 43.5, 44.0]


Question: [-69, -77, -2, 96, 6, -53, -59, -89, -77, 54, 90, -89]

Answer:
[-73.0, -39.5, 47.0, 51.0, -23.5, -56.0, -74.0, -83.0, -11.5, 72.0, 0.5]