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:
[-91, 59, -52, 34, 5, 83, 49, -1, 27]
answer:
[-16.0, 3.5, -9.0, 19.5, 44.0, 66.0, 24.0, 13.0]


question:
[34, 32, -21, -70, 38, 7, -25]
answer:
[33.0, 5.5, -45.5, -16.0, 22.5, -9.0]


question:
[74, -26, 94, -68]
answer:

[24.0, 34.0, 13.0]