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:
[0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]
answer:
[-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]


question:
[75, 44, -31, 8, -71, -34, -38, -23, -18, -14, 53, 83, -60, -56]
answer:
[59.5, 6.5, -11.5, -31.5, -52.5, -36.0, -30.5, -20.5, -16.0, 19.5, 68.0, 11.5, -58.0]


question:
[-71, 87, -51, -78, -13, 71, 15, 59, 53, 50]
answer:

[8.0, 18.0, -64.5, -45.5, 29.0, 43.0, 37.0, 56.0, 51.5]