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: [57, -42, -14, -48, -62, 7, -9]

Answer: [7.5, -28.0, -31.0, -55.0, -27.5, -1.0]


Question: [-47, 99, -39, 1, 32, 77, 4, 53, -71]

Answer: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]


Question: [-96, -65, -35, -1, -71, -73, -60, 95, 36, -49, 86, -65, -61, 0]

Answer:
[-80.5, -50.0, -18.0, -36.0, -72.0, -66.5, 17.5, 65.5, -6.5, 18.5, 10.5, -63.0, -30.5]