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:
[14, 49, -88, 85, 79, 93, -16, 66, -35, 14, 40, 38, -9]
answer:
[31.5, -19.5, -1.5, 82.0, 86.0, 38.5, 25.0, 15.5, -10.5, 27.0, 39.0, 14.5]


question:
[-75, 68, -2, -46, -77, -97, -74, 15, 31, 31, -16, -79]
answer:

[-3.5, 33.0, -24.0, -61.5, -87.0, -85.5, -29.5, 23.0, 31.0, 7.5, -47.5]