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: [-34, 7, -83, 25, -31, 7]

Answer: [-13.5, -38.0, -29.0, -3.0, -12.0]


Question: [-81, 99, -79, 70, 91]

Answer: [9.0, 10.0, -4.5, 80.5]


Question: [-14, -5, 5, 90]

Answer:
[-9.5, 0.0, 47.5]