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: [87, 22, 13, 9, -28, -51, -58, -11, 40, 60, 25]

Answer: [54.5, 17.5, 11.0, -9.5, -39.5, -54.5, -34.5, 14.5, 50.0, 42.5]


Question: [43, -22, -75, -92, -34, 33, -60, -65, 89]

Answer: [10.5, -48.5, -83.5, -63.0, -0.5, -13.5, -62.5, 12.0]


Question: [-85, 41, -29, 47, -31, -38, 91, 82]

Answer:
[-22.0, 6.0, 9.0, 8.0, -34.5, 26.5, 86.5]