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:
[-6, -18, 1, 1, 14, -47, -51, 100, 60, 24, 78, -80, 72, 41, 23]
answer:
[-12.0, -8.5, 1.0, 7.5, -16.5, -49.0, 24.5, 80.0, 42.0, 51.0, -1.0, -4.0, 56.5, 32.0]


question:
[-13, 68, 35, -12, 21, -100, 20, -33, -92, 21, 20, -33, 48, -71]
answer:
[27.5, 51.5, 11.5, 4.5, -39.5, -40.0, -6.5, -62.5, -35.5, 20.5, -6.5, 7.5, -11.5]


question:
[91, 59, -89, 14, 21, 70, 96, -3, -72, 0, -96, -92, -70]
answer:

[75.0, -15.0, -37.5, 17.5, 45.5, 83.0, 46.5, -37.5, -36.0, -48.0, -94.0, -81.0]