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: [42, 55, -1, 83, 35, 85, 50, 90, -12, -65, 43, 94, 39, -39, -78]

Answer: [48.5, 27.0, 41.0, 59.0, 60.0, 67.5, 70.0, 39.0, -38.5, -11.0, 68.5, 66.5, 0.0, -58.5]


Question: [51, -95, 3, 67, 33, -55, -29, 65, -85, -91]

Answer: [-22.0, -46.0, 35.0, 50.0, -11.0, -42.0, 18.0, -10.0, -88.0]


Question: [94, 88, 97, -82, 31]

Answer:
[91.0, 92.5, 7.5, -25.5]