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: [-10, -49, -49, 14, 92, 63, -10, 73]

Answer: [-29.5, -49.0, -17.5, 53.0, 77.5, 26.5, 31.5]


Question: [83, -11, 38]

Answer: [36.0, 13.5]


Question: [-19, -13, 7]

Answer:
[-16.0, -3.0]