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: [-2, 54, 35, -67]

Answer: [26.0, 44.5, -16.0]


Question: [10, 78, -51, -20, 48, 55, -72, -1]

Answer: [44.0, 13.5, -35.5, 14.0, 51.5, -8.5, -36.5]


Question: [-82, 50, -40]

Answer:
[-16.0, 5.0]