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:
[-15, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]
answer:
[-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]


question:
[47, -74, 41, -15, 18, 83, -84, -76, -18, 97, -76, -88, -92, 0, -44]
answer:
[-13.5, -16.5, 13.0, 1.5, 50.5, -0.5, -80.0, -47.0, 39.5, 10.5, -82.0, -90.0, -46.0, -22.0]


question:
[99, 82, 23, -55, -41, 56, 91]
answer:

[90.5, 52.5, -16.0, -48.0, 7.5, 73.5]