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: [16, 35, 54, -67, 0, -98, 43, -5, 30]

Answer: [25.5, 44.5, -6.5, -33.5, -49.0, -27.5, 19.0, 12.5]


Question: [57, -26, -99, 61, 13, 31]

Answer: [15.5, -62.5, -19.0, 37.0, 22.0]


Question: [84, 8, -15, -40, 44, -97, 29, -70, 16, 48, 100, -76, 91, 44]

Answer:
[46.0, -3.5, -27.5, 2.0, -26.5, -34.0, -20.5, -27.0, 32.0, 74.0, 12.0, 7.5, 67.5]