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: [-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]

Answer: [-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]


Question: [-14, 33, -89]

Answer: [9.5, -28.0]


Question: [29, -95, 92, -88, 97, -44, 51, 41, 4, 15]

Answer:
[-33.0, -1.5, 2.0, 4.5, 26.5, 3.5, 46.0, 22.5, 9.5]