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: [-56, 71, 54, -28, 75, -89, -82, 39, -12, 81, 37, 35, 39, 66, 60]

Answer: [7.5, 62.5, 13.0, 23.5, -7.0, -85.5, -21.5, 13.5, 34.5, 59.0, 36.0, 37.0, 52.5, 63.0]


Question: [-48, -86, 13, 21, 39, -52, 70, 6, 66, 58, -3, 88, -64]

Answer: [-67.0, -36.5, 17.0, 30.0, -6.5, 9.0, 38.0, 36.0, 62.0, 27.5, 42.5, 12.0]


Question: [-85, 25, 37, -65, -63, 81, 36, 66, -43, -76, 35, 78, -61]

Answer:
[-30.0, 31.0, -14.0, -64.0, 9.0, 58.5, 51.0, 11.5, -59.5, -20.5, 56.5, 8.5]


