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: [55, -46, 64, -40]

Answer: [4.5, 9.0, 12.0]


Question: [6, 80, -33, -48, -65, 9, 53, 34, 54]

Answer: [43.0, 23.5, -40.5, -56.5, -28.0, 31.0, 43.5, 44.0]


Question: [-12, 90, 31, -38, -21, -29, -85, -28, 11, -6]

Answer:
[39.0, 60.5, -3.5, -29.5, -25.0, -57.0, -56.5, -8.5, 2.5]