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: [-26, -40, -22, -65, -61, 16, 26, 51, -24]

Answer: [-33.0, -31.0, -43.5, -63.0, -22.5, 21.0, 38.5, 13.5]


Question: [1, 77, 55, -37, -65, 80, 31, -37, -61, 3, -80]

Answer: [39.0, 66.0, 9.0, -51.0, 7.5, 55.5, -3.0, -49.0, -29.0, -38.5]


Question: [89, -21, -74, 5, 41, -59, 13, 50, 59, 78, 95, -25, -92, -96]

Answer:
[34.0, -47.5, -34.5, 23.0, -9.0, -23.0, 31.5, 54.5, 68.5, 86.5, 35.0, -58.5, -94.0]