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


question:
[29, -92, 6, -24, -12, 98, 69, 26, -32, 70, 37]
answer:
[-31.5, -43.0, -9.0, -18.0, 43.0, 83.5, 47.5, -3.0, 19.0, 53.5]


question:
[-21, -35, -11, 11, -30, -50]
answer:

[-28.0, -23.0, 0.0, -9.5, -40.0]