instruction:
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].
question:
[61, -99, -96]
answer:
[-19.0, -97.5]


question:
[-89, -9, -14, -28, 41, 44, 86, 40, 75, 30, -1, 86]
answer:
[-49.0, -11.5, -21.0, 6.5, 42.5, 65.0, 63.0, 57.5, 52.5, 14.5, 42.5]


question:
[27, -67, -92, -82, -17, 3, -92, 42, -33, 7, 62, 19, 68, 63, -3]
answer:

[-20.0, -79.5, -87.0, -49.5, -7.0, -44.5, -25.0, 4.5, -13.0, 34.5, 40.5, 43.5, 65.5, 30.0]