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, 68, -97, 81, 6, 30, 71, 61, -73]
answer:
[13.0, -14.5, -8.0, 43.5, 18.0, 50.5, 66.0, -6.0]


question:
[35, -99, -66, -41, 75, 41]
answer:
[-32.0, -82.5, -53.5, 17.0, 58.0]


question:
[18, 71, -75, 60, 31, 21, 58, -92, 14, -28, -17, -34, 100, 86, -54]
answer:

[44.5, -2.0, -7.5, 45.5, 26.0, 39.5, -17.0, -39.0, -7.0, -22.5, -25.5, 33.0, 93.0, 16.0]