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: [17, -31, 89, -43, 58, -50, 2, -61]

Answer: [-7.0, 29.0, 23.0, 7.5, 4.0, -24.0, -29.5]


Question: [-1, -95, 61, -8, 6, 98, 96, -32, 66, 44, -23, -90]

Answer: [-48.0, -17.0, 26.5, -1.0, 52.0, 97.0, 32.0, 17.0, 55.0, 10.5, -56.5]


Question: [69, -49, 84, -99, 66, 16, -27, 53, 84, 84, -53, 74, 74]

Answer:
[10.0, 17.5, -7.5, -16.5, 41.0, -5.5, 13.0, 68.5, 84.0, 15.5, 10.5, 74.0]