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:
[-56, 71, 54, -28, 75, -89, -82, 39, -12, 81, 37, 35, 39, 66, 60]
answer:
[7.5, 62.5, 13.0, 23.5, -7.0, -85.5, -21.5, 13.5, 34.5, 59.0, 36.0, 37.0, 52.5, 63.0]


question:
[-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]
answer:
[-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]


question:
[-35, -80, 23, 63, -33, -42, 5, 82, 30, -17, -38, -56, 32, -92]
answer:

[-57.5, -28.5, 43.0, 15.0, -37.5, -18.5, 43.5, 56.0, 6.5, -27.5, -47.0, -12.0, -30.0]