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: [-21, 92, -76, 59, 41, -99, -5, 35, 92, 66, -50]

Answer: [35.5, 8.0, -8.5, 50.0, -29.0, -52.0, 15.0, 63.5, 79.0, 8.0]


Question: [-25, 38, 7, 52, -63, -81, -63, -74, 85, 27, 2]

Answer: [6.5, 22.5, 29.5, -5.5, -72.0, -72.0, -68.5, 5.5, 56.0, 14.5]


Question: [85, 41, 27, -4, -85, -12, -88, -5, 37, -73, -60]

Answer:
[63.0, 34.0, 11.5, -44.5, -48.5, -50.0, -46.5, 16.0, -18.0, -66.5]