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:
[87, 34, 59, -97, -67, -71, -28, -51, 56]
answer:
[60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]


question:
[-35, 56, -45, 14, -44]
answer:
[10.5, 5.5, -15.5, -15.0]


question:
[-73, -82, 76, -83, 16, 2, -51]
answer:

[-77.5, -3.0, -3.5, -33.5, 9.0, -24.5]