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:
[-29, 30, -85, 70, 5, -41]
answer:
[0.5, -27.5, -7.5, 37.5, -18.0]


question:
[43, 84]
answer:
[63.5]


question:
[-21, 12, 53, 49, 2, -54, -28, 8, -77, 27, -33]
answer:

[-4.5, 32.5, 51.0, 25.5, -26.0, -41.0, -10.0, -34.5, -25.0, -3.0]