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: [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: [-25, 42, -59, 3, 93]

Answer: [8.5, -8.5, -28.0, 48.0]


Question: [-2, 99, -72, -1, 4, -95, 53, 77, -93, -67, -20, 87, 89, -56, 38]

Answer:
[48.5, 13.5, -36.5, 1.5, -45.5, -21.0, 65.0, -8.0, -80.0, -43.5, 33.5, 88.0, 16.5, -9.0]