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: [66, 78, -55, 77, -81, -61, 2, -92, 59, -99, 16]

Answer: [72.0, 11.5, 11.0, -2.0, -71.0, -29.5, -45.0, -16.5, -20.0, -41.5]


Question: [15, -79, 68, 87, 83, -93, 45, 37, 63, -24, 80, -77, 74, -53]

Answer: [-32.0, -5.5, 77.5, 85.0, -5.0, -24.0, 41.0, 50.0, 19.5, 28.0, 1.5, -1.5, 10.5]


Question: [48, -70]

Answer:
[-11.0]