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:
[-68, -29, -8, -76, 90, 60, 14, 63, -12]
answer:
[-48.5, -18.5, -42.0, 7.0, 75.0, 37.0, 38.5, 25.5]


question:
[83, -11, 38]
answer:
[36.0, 13.5]


question:
[83, 67, 5, -15]
answer:

[75.0, 36.0, -5.0]