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: [-56, 30, -70]

Answer: [-13.0, -20.0]


Question: [-15, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]

Answer: [-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]


Question: [-16, 64, -90, -98, -31, 44, 49, -51]

Answer:
[24.0, -13.0, -94.0, -64.5, 6.5, 46.5, -1.0]