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: [-13, 68, 35, -12, 21, -100, 20, -33, -92, 21, 20, -33, 48, -71]

Answer: [27.5, 51.5, 11.5, 4.5, -39.5, -40.0, -6.5, -62.5, -35.5, 20.5, -6.5, 7.5, -11.5]


Question: [58, -99]

Answer: [-20.5]


Question: [-40, 50, 52, -53, -88, -55]

Answer:
[5.0, 51.0, -0.5, -70.5, -71.5]