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:
[-30, 37, -83, -63, 52, 22, 80, 75, -98, -17]
answer:
[3.5, -23.0, -73.0, -5.5, 37.0, 51.0, 77.5, -11.5, -57.5]


question:
[53, -70, 12, 14, -11, -69, 85]
answer:
[-8.5, -29.0, 13.0, 1.5, -40.0, 8.0]


question:
[-26, 59, -16, 47, 45, 67, 67]
answer:

[16.5, 21.5, 15.5, 46.0, 56.0, 67.0]