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: [-85, 25, 90, -97, -97, -76, 66, -96]

Answer: [-30.0, 57.5, -3.5, -97.0, -86.5, -5.0, -15.0]


Question: [81, 73]

Answer: [77.0]


Question: [-38, -18, 92, -15, -25, -66]

Answer:
[-28.0, 37.0, 38.5, -20.0, -45.5]