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:
[10, 70, 61, -80, 6, 39, -83, 31, -25]
answer:
[40.0, 65.5, -9.5, -37.0, 22.5, -22.0, -26.0, 3.0]


question:
[-2, 54, 35, -67]
answer:
[26.0, 44.5, -16.0]


question:
[-29, 88, 64]
answer:

[29.5, 76.0]