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: [-99, 50, 84, -80, -77, 83, 16, 12, -100, -68, 30, -30, -83, -33, 84]

Answer: [-24.5, 67.0, 2.0, -78.5, 3.0, 49.5, 14.0, -44.0, -84.0, -19.0, 0.0, -56.5, -58.0, 25.5]


Question: [-14, -93, 6, -75, 34, 96, 8, -65, -91]

Answer: [-53.5, -43.5, -34.5, -20.5, 65.0, 52.0, -28.5, -78.0]


Question: [58, -5, 43, -83, -62, 51, -90, 29, -13]

Answer:
[26.5, 19.0, -20.0, -72.5, -5.5, -19.5, -30.5, 8.0]