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:
[57, 81, -99]
answer:
[69.0, -9.0]


question:
[75, 72, -1, -74, -80, 11, 16, 8, 32, 85, 53]
answer:
[73.5, 35.5, -37.5, -77.0, -34.5, 13.5, 12.0, 20.0, 58.5, 69.0]


question:
[58, -71, 43]
answer:

[-6.5, -14.0]