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:
[53, -72, 28, 71, -20, 47, 3, 68]
answer:
[-9.5, -22.0, 49.5, 25.5, 13.5, 25.0, 35.5]


question:
[-29, 22, -42, -12, 58, 25, -52, -44, 94, -43, -69]
answer:
[-3.5, -10.0, -27.0, 23.0, 41.5, -13.5, -48.0, 25.0, 25.5, -56.0]


question:
[66, -73, 67, -62, 20, 74, 66, 28, -67]
answer:

[-3.5, -3.0, 2.5, -21.0, 47.0, 70.0, 47.0, -19.5]