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:
[20, -17, 41, -60, 2, 64, 36, 16, -43]
answer:
[1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]


question:
[63, -14, -65, -83, -91, 76, 14, 67, -91, 2, -40]
answer:
[24.5, -39.5, -74.0, -87.0, -7.5, 45.0, 40.5, -12.0, -44.5, -19.0]


question:
[-7, 92, -71, 43, 28, 12, -15, 75, -99, -88, 39, -79, 71]
answer:

[42.5, 10.5, -14.0, 35.5, 20.0, -1.5, 30.0, -12.0, -93.5, -24.5, -20.0, -4.0]