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:
[-74, -74, 64, -88, 59, 99, 27, -18, -49]
answer:
[-74.0, -5.0, -12.0, -14.5, 79.0, 63.0, 4.5, -33.5]


question:
[91, -52, -63, 41]
answer:

[19.5, -57.5, -11.0]