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: [67, 94, 6, -11, 41, 22, 10, -73, 84]

Answer: [80.5, 50.0, -2.5, 15.0, 31.5, 16.0, -31.5, 5.5]


Question: [-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]

Answer: [-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]


Question: [77, -78, 28, -91, 40, -50, -17, -88, -37]

Answer:
[-0.5, -25.0, -31.5, -25.5, -5.0, -33.5, -52.5, -62.5]