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: [-64, -46, 21, -97, -86]

Answer: [-55.0, -12.5, -38.0, -91.5]


Question: [38, 27, 49]

Answer: [32.5, 38.0]


Question: [-62, -77, 22, 36, 51, -39, -15, -69, 92, -27, -94, -95, 9, 95, 61]

Answer:
[-69.5, -27.5, 29.0, 43.5, 6.0, -27.0, -42.0, 11.5, 32.5, -60.5, -94.5, -43.0, 52.0, 78.0]