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: [-47, -92, 82, -29, -21, -46, -47, 55, -27, -9, 39, -94, 81]

Answer: [-69.5, -5.0, 26.5, -25.0, -33.5, -46.5, 4.0, 14.0, -18.0, 15.0, -27.5, -6.5]


Question: [75, 87, -2, 42, -20, -50, 51]

Answer: [81.0, 42.5, 20.0, 11.0, -35.0, 0.5]


Question: [-19, 57, -31, -35, 94, 61, -78, 73, 92, -54, 27, -55, 64]

Answer:
[19.0, 13.0, -33.0, 29.5, 77.5, -8.5, -2.5, 82.5, 19.0, -13.5, -14.0, 4.5]