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:
[40, -94, 40, -52, -80]
answer:
[-27.0, -27.0, -6.0, -66.0]


question:
[29, 95, -62, 83, -37, 20, 2, -77, -21, -96, -71, -65, -36, 85]
answer:

[62.0, 16.5, 10.5, 23.0, -8.5, 11.0, -37.5, -49.0, -58.5, -83.5, -68.0, -50.5, 24.5]