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:
[-2, -57, 85, -7, 81, 57, -60, -87, -18]
answer:
[-29.5, 14.0, 39.0, 37.0, 69.0, -1.5, -73.5, -52.5]


question:
[92, 61, 50, -43, -94, 38, -49, 52, 19, 3, -96, 27]
answer:
[76.5, 55.5, 3.5, -68.5, -28.0, -5.5, 1.5, 35.5, 11.0, -46.5, -34.5]


question:
[-6, 46, -25, 12, -45, -47, 19, -40, 10, -75, -56, 54, 42]
answer:

[20.0, 10.5, -6.5, -16.5, -46.0, -14.0, -10.5, -15.0, -32.5, -65.5, -1.0, 48.0]