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:
[-81, -5, -18, -96, 28, -86, 50, 63, 80, -52]
answer:
[-43.0, -11.5, -57.0, -34.0, -29.0, -18.0, 56.5, 71.5, 14.0]


question:
[40, 34, -39]
answer:
[37.0, -2.5]


question:
[90, -4, -95, -36, 2, 97]
answer:

[43.0, -49.5, -65.5, -17.0, 49.5]