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:
[-73, -25, -81, 3, 49, -56, 5, -90, -83, -48, 47]
answer:
[-49.0, -53.0, -39.0, 26.0, -3.5, -25.5, -42.5, -86.5, -65.5, -0.5]


question:
[-42, -27, -37, -63, 89, -61, -68]
answer:
[-34.5, -32.0, -50.0, 13.0, 14.0, -64.5]


question:
[100, 50, 91, 28, -77, -50, -2, 34, 42, -63, 38, -6, 84]
answer:

[75.0, 70.5, 59.5, -24.5, -63.5, -26.0, 16.0, 38.0, -10.5, -12.5, 16.0, 39.0]