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:
[21, 0, 32, 60, 36, -98, -33, 36, 23]
answer:
[10.5, 16.0, 46.0, 48.0, -31.0, -65.5, 1.5, 29.5]


question:
[-63, 4, 4, 49, -83, 99, 85, -18, 11, 83, 73]
answer:
[-29.5, 4.0, 26.5, -17.0, 8.0, 92.0, 33.5, -3.5, 47.0, 78.0]


question:
[-25, 42, -59, 3, 93]
answer:

[8.5, -8.5, -28.0, 48.0]