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: [77, 66, 11]

Answer: [71.5, 38.5]


Question: [43, 90, -72, -46, 22]

Answer: [66.5, 9.0, -59.0, -12.0]


Question: [-71, 93, -79, 89, -82, 69, 66, 71]

Answer:
[11.0, 7.0, 5.0, 3.5, -6.5, 67.5, 68.5]