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, -11, -100, 66, 29, 28, 31, -36]
answer:
[-46.0, -55.5, -17.0, 47.5, 28.5, 29.5, -2.5]


question:
[91, 59, -89, 14, 21, 70, 96, -3, -72, 0, -96, -92, -70]
answer:
[75.0, -15.0, -37.5, 17.5, 45.5, 83.0, 46.5, -37.5, -36.0, -48.0, -94.0, -81.0]


question:
[-1, 28, 42, -34, 90]
answer:

[13.5, 35.0, 4.0, 28.0]