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:
[-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:
[7, -25, 16, 74, -18]
answer:
[-9.0, -4.5, 45.0, 28.0]


question:
[-70, 90, 76, 26]
answer:

[10.0, 83.0, 51.0]