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, -34, 89, -12, -79, -52, -80, 55, 75, -8, 72, -38, 87, 1, -78]

Answer: [6.5, 27.5, 38.5, -45.5, -65.5, -66.0, -12.5, 65.0, 33.5, 32.0, 17.0, 24.5, 44.0, -38.5]


Question: [-24, -77, -80, -97, 30, -25, -95, 97, -92]

Answer: [-50.5, -78.5, -88.5, -33.5, 2.5, -60.0, 1.0, 2.5]


Question: [60, 61, -84, 53, 72, -42, -90, 36, -99]

Answer:
[60.5, -11.5, -15.5, 62.5, 15.0, -66.0, -27.0, -31.5]