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: [-17, -67, -20, -30, 91, 51, -35, -90, 6, 93, -32, -97, 98, -11]

Answer: [-42.0, -43.5, -25.0, 30.5, 71.0, 8.0, -62.5, -42.0, 49.5, 30.5, -64.5, 0.5, 43.5]


Question: [38, 27, 49]

Answer: [32.5, 38.0]


Question: [31, -83, -40, -44, -72, 68, 43, -6, -88, 61, -41, 50, -25]

Answer:
[-26.0, -61.5, -42.0, -58.0, -2.0, 55.5, 18.5, -47.0, -13.5, 10.0, 4.5, 12.5]