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, -50, 89, 64, -54, 29, 65, -13, -13, -58]
answer:
[-60.5, 19.5, 76.5, 5.0, -12.5, 47.0, 26.0, -13.0, -35.5]


question:
[-77, -52, 64, 34, -9, 29, -91, 90, 8, -87, 34, 1, -8]
answer:
[-64.5, 6.0, 49.0, 12.5, 10.0, -31.0, -0.5, 49.0, -39.5, -26.5, 17.5, -3.5]


question:
[23, -19, -73, -79, -10, 32, -53, -58, 49, -69, -12, -58, 87, 94, 60]
answer:

[2.0, -46.0, -76.0, -44.5, 11.0, -10.5, -55.5, -4.5, -10.0, -40.5, -35.0, 14.5, 90.5, 77.0]