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:
[-7, 40, 98, 92, -81, 78, -22, 21]
answer:
[16.5, 69.0, 95.0, 5.5, -1.5, 28.0, -0.5]


question:
[-1, -95, 61, -8, 6, 98, 96, -32, 66, 44, -23, -90]
answer:
[-48.0, -17.0, 26.5, -1.0, 52.0, 97.0, 32.0, 17.0, 55.0, 10.5, -56.5]


question:
[-47, 99, -39, 1, 32, 77, 4, 53, -71]
answer:

[26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]