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: [-68, 22, -96, 77, 86, -19, 90, 65, -47, -15, 8, 17, -64, -18, 64]

Answer: [-23.0, -37.0, -9.5, 81.5, 33.5, 35.5, 77.5, 9.0, -31.0, -3.5, 12.5, -23.5, -41.0, 23.0]


Question: [1, 64, -12, -75, 99, 70, -83]

Answer: [32.5, 26.0, -43.5, 12.0, 84.5, -6.5]


Question: [-76, -68, -70, -2]

Answer:
[-72.0, -69.0, -36.0]