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: [84, -12, 27, 10, 23, -64, -8, 23, 3, -90, 87, 4, -74]

Answer: [36.0, 7.5, 18.5, 16.5, -20.5, -36.0, 7.5, 13.0, -43.5, -1.5, 45.5, -35.0]


Question: [43, 0, 49, -4, -36, -1, -64, 97, -56, 93, -41, -92, -43, -39]

Answer: [21.5, 24.5, 22.5, -20.0, -18.5, -32.5, 16.5, 20.5, 18.5, 26.0, -66.5, -67.5, -41.0]


Question: [27, -46, 81, 93, -10, -86, 24, -59, -62, -26, -57, -67, 78]

Answer:
[-9.5, 17.5, 87.0, 41.5, -48.0, -31.0, -17.5, -60.5, -44.0, -41.5, -62.0, 5.5]