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:
[40, 34, -39]
answer:
[37.0, -2.5]


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:
[-78, 45, 68, -68, -51, 28]
answer:

[-16.5, 56.5, 0.0, -59.5, -11.5]