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: [-81, -11, -100, 66, 29, 28, 31, -36]

Answer: [-46.0, -55.5, -17.0, 47.5, 28.5, 29.5, -2.5]


Question: [92, 6, 57, -39, 28, 4, -74, -12]

Answer:
[49.0, 31.5, 9.0, -5.5, 16.0, -35.0, -43.0]