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, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]

Answer: [-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]


Question: [42, 42, 0, -99, -11, 17, -42, -72]

Answer: [42.0, 21.0, -49.5, -55.0, 3.0, -12.5, -57.0]


Question: [6, 93, 94, 72, 81, -36, 28, 28, 61, 16, 43, 92, -39, -99, 51]

Answer:
[49.5, 93.5, 83.0, 76.5, 22.5, -4.0, 28.0, 44.5, 38.5, 29.5, 67.5, 26.5, -69.0, -24.0]