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:
[-37, 76, -35, 6, -72, 89, -100, -9, -81, 73, 90, -20]
answer:
[19.5, 20.5, -14.5, -33.0, 8.5, -5.5, -54.5, -45.0, -4.0, 81.5, 35.0]


question:
[-84, -94, 9, 35, 85, -69, -84, 86, -11, 44]
answer:
[-89.0, -42.5, 22.0, 60.0, 8.0, -76.5, 1.0, 37.5, 16.5]


question:
[36, -41, 3, 51, -68, -35, -3, 19]
answer:

[-2.5, -19.0, 27.0, -8.5, -51.5, -19.0, 8.0]