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, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]
answer:
[15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


question:
[63, -14, -65, -83, -91, 76, 14, 67, -91, 2, -40]
answer:
[24.5, -39.5, -74.0, -87.0, -7.5, 45.0, 40.5, -12.0, -44.5, -19.0]


question:
[-71, 91, 51, -78, -87, -87, 71]
answer:

[10.0, 71.0, -13.5, -82.5, -87.0, -8.0]