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: [49, -66]

Answer: [-8.5]


Question: [87, 22, 13, 9, -28, -51, -58, -11, 40, 60, 25]

Answer: [54.5, 17.5, 11.0, -9.5, -39.5, -54.5, -34.5, 14.5, 50.0, 42.5]


Question: [33, 97, -92, 31, -20, 99, 25, 66, 47]

Answer:
[65.0, 2.5, -30.5, 5.5, 39.5, 62.0, 45.5, 56.5]