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:
[-99, 43, 6, 55, 74, -46, 24, -6, -51, 47, 32]
answer:
[-28.0, 24.5, 30.5, 64.5, 14.0, -11.0, 9.0, -28.5, -2.0, 39.5]


question:
[-2, -26, 60, 94, 36, -43, -53, 74, -93, 51, -46, 85, 23, 71]
answer:
[-14.0, 17.0, 77.0, 65.0, -3.5, -48.0, 10.5, -9.5, -21.0, 2.5, 19.5, 54.0, 47.0]


question:
[-13, -90, -37]
answer:

[-51.5, -63.5]