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: [-57, -27, -20, 4, -82, 58, -39, 92, 64, -68, -21]

Answer: [-42.0, -23.5, -8.0, -39.0, -12.0, 9.5, 26.5, 78.0, -2.0, -44.5]


Question: [48, 69, 7, 42, 46, -27, -58, 24, 95, 57]

Answer: [58.5, 38.0, 24.5, 44.0, 9.5, -42.5, -17.0, 59.5, 76.0]


Question: [38, -96, 76]

Answer:
[-29.0, -10.0]