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: [91, 3, -59, 63]

Answer: [47.0, -28.0, 2.0]


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: [16, -81, 86, 50, 59, -40, 61]

Answer:
[-32.5, 2.5, 68.0, 54.5, 9.5, 10.5]