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: [8, -8, 26, -88, 71, -9, -10, -93, -91, -72, -12]

Answer: [0.0, 9.0, -31.0, -8.5, 31.0, -9.5, -51.5, -92.0, -81.5, -42.0]


Question: [74, -67, 28, 48, 8, -40, 60, 25, 55, -34, 96, -36]

Answer: [3.5, -19.5, 38.0, 28.0, -16.0, 10.0, 42.5, 40.0, 10.5, 31.0, 30.0]


Question: [-24, -8, -20, 99, -28]

Answer:
[-16.0, -14.0, 39.5, 35.5]