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:
[53, -70, 12, 14, -11, -69, 85]
answer:
[-8.5, -29.0, 13.0, 1.5, -40.0, 8.0]


question:
[98, -73, 94, -63, 27, -13, 26]
answer:
[12.5, 10.5, 15.5, -18.0, 7.0, 6.5]


question:
[69, -90, -81, -41, -38, -41, 15, 55, 18, -24, 52, -55, 79, 84, -59]
answer:

[-10.5, -85.5, -61.0, -39.5, -39.5, -13.0, 35.0, 36.5, -3.0, 14.0, -1.5, 12.0, 81.5, 12.5]