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:
[-68, 22, -96, 77, 86, -19, 90, 65, -47, -15, 8, 17, -64, -18, 64]
answer:
[-23.0, -37.0, -9.5, 81.5, 33.5, 35.5, 77.5, 9.0, -31.0, -3.5, 12.5, -23.5, -41.0, 23.0]


question:
[24, -15, -59, 82, -84, 54, -33, 88, -74, 57, -22, 1]
answer:
[4.5, -37.0, 11.5, -1.0, -15.0, 10.5, 27.5, 7.0, -8.5, 17.5, -10.5]


question:
[-83, 18, 10, 55, 48, 32, 42, 5, -64]
answer:

[-32.5, 14.0, 32.5, 51.5, 40.0, 37.0, 23.5, -29.5]