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:
[42, 55, -1, 83, 35, 85, 50, 90, -12, -65, 43, 94, 39, -39, -78]
answer:
[48.5, 27.0, 41.0, 59.0, 60.0, 67.5, 70.0, 39.0, -38.5, -11.0, 68.5, 66.5, 0.0, -58.5]


question:
[-71, 91, 51, -78, -87, -87, 71]
answer:
[10.0, 71.0, -13.5, -82.5, -87.0, -8.0]


question:
[-64, -59, 15, 88, 70, 89, 34, -70, 90, 58, -36, 72, -5, -49, -25]
answer:

[-61.5, -22.0, 51.5, 79.0, 79.5, 61.5, -18.0, 10.0, 74.0, 11.0, 18.0, 33.5, -27.0, -37.0]