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:
[99, -28, -18, -89, -14, -80, -54, -84, -82]
answer:
[35.5, -23.0, -53.5, -51.5, -47.0, -67.0, -69.0, -83.0]


question:
[-54, -41, 62, -97, 75, 85, -38, -11, 99, -77, 36]
answer:
[-47.5, 10.5, -17.5, -11.0, 80.0, 23.5, -24.5, 44.0, 11.0, -20.5]


question:
[57, -27, 51, 85, 72, 25, 16, -12, -5, 45, 28, 58, 86, -59]
answer:

[15.0, 12.0, 68.0, 78.5, 48.5, 20.5, 2.0, -8.5, 20.0, 36.5, 43.0, 72.0, 13.5]