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:
[-15, 5]
answer:
[-5.0]


question:
[83, -11, 38]
answer:
[36.0, 13.5]


question:
[-58, 50, 88, -97]
answer:

[-4.0, 69.0, -4.5]