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, 75, 10, 74, -35, 64, -2]
answer:
[47.5, 42.5, 42.0, 19.5, 14.5, 31.0]


question:
[83, -11, 38]
answer:
[36.0, 13.5]


question:
[24, -15, 91, 66, -88, -92, -86]
answer:

[4.5, 38.0, 78.5, -11.0, -90.0, -89.0]