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:
[-100, -100, -39, 13, 24, -2, 77, 37, -20, -38, 18, 55]
answer:
[-100.0, -69.5, -13.0, 18.5, 11.0, 37.5, 57.0, 8.5, -29.0, -10.0, 36.5]


question:
[-56, 71, 54, -28, 75, -89, -82, 39, -12, 81, 37, 35, 39, 66, 60]
answer:
[7.5, 62.5, 13.0, 23.5, -7.0, -85.5, -21.5, 13.5, 34.5, 59.0, 36.0, 37.0, 52.5, 63.0]


question:
[71, -91, 57, 43, 9, -21, -97, -29]
answer:

[-10.0, -17.0, 50.0, 26.0, -6.0, -59.0, -63.0]