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:
[-85, 41, -29, 47, -31, -38, 91, 82]
answer:
[-22.0, 6.0, 9.0, 8.0, -34.5, 26.5, 86.5]


question:
[-77, -23, -23, -16, 96, -98, 84, 76, -15, -46, -7]
answer:
[-50.0, -23.0, -19.5, 40.0, -1.0, -7.0, 80.0, 30.5, -30.5, -26.5]


question:
[-16, -34, -73, 21]
answer:

[-25.0, -53.5, -26.0]