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:
[-71, -78, -84, 6, 99, 66, -90, -36, -77, -56, 19, -59, 71]
answer:
[-74.5, -81.0, -39.0, 52.5, 82.5, -12.0, -63.0, -56.5, -66.5, -18.5, -20.0, 6.0]


question:
[-29, 34, -11, 98, 25, -39, -90, -37, 3, -14, -33, 41]
answer:
[2.5, 11.5, 43.5, 61.5, -7.0, -64.5, -63.5, -17.0, -5.5, -23.5, 4.0]


question:
[-12, 93, -67, 52, -13, 30, -65, 71]
answer:

[40.5, 13.0, -7.5, 19.5, 8.5, -17.5, 3.0]