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: [20, -17, 41, -60, 2, 64, 36, 16, -43]

Answer: [1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]


Question: [-6, -18, 1, 1, 14, -47, -51, 100, 60, 24, 78, -80, 72, 41, 23]

Answer: [-12.0, -8.5, 1.0, 7.5, -16.5, -49.0, 24.5, 80.0, 42.0, 51.0, -1.0, -4.0, 56.5, 32.0]


Question: [29, -30, 66, 68]

Answer:
[-0.5, 18.0, 67.0]