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: [-64, -46, 21, -97, -86]

Answer: [-55.0, -12.5, -38.0, -91.5]


Question: [53, 7, 83, -99]

Answer: [30.0, 45.0, -8.0]


Question: [63, 66, 48, 0, 91, 30, -70, 5, -27, -25, -76, 34]

Answer:
[64.5, 57.0, 24.0, 45.5, 60.5, -20.0, -32.5, -11.0, -26.0, -50.5, -21.0]