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: [53, 7, 83, -99]

Answer: [30.0, 45.0, -8.0]


Question: [74, -67, 28, 48, 8, -40, 60, 25, 55, -34, 96, -36]

Answer: [3.5, -19.5, 38.0, 28.0, -16.0, 10.0, 42.5, 40.0, 10.5, 31.0, 30.0]


Question: [58, -29, -18, 15, 66, 27, -47, -13, -86, -62, -56, 56, -87, -96]

Answer:
[14.5, -23.5, -1.5, 40.5, 46.5, -10.0, -30.0, -49.5, -74.0, -59.0, 0.0, -15.5, -91.5]