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: [-12, -2, 33, -26, 37, -82, -14, 56, -39, 57, 2]

Answer: [-7.0, 15.5, 3.5, 5.5, -22.5, -48.0, 21.0, 8.5, 9.0, 29.5]


Question: [-89, 26, -64, -96, 40, -90, -88]

Answer: [-31.5, -19.0, -80.0, -28.0, -25.0, -89.0]


Question: [28, 77, 38, -15, 98, 34, 13, -68, 25, -15, 57, -86]

Answer:
[52.5, 57.5, 11.5, 41.5, 66.0, 23.5, -27.5, -21.5, 5.0, 21.0, -14.5]


