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:
[28, -83, -37, -51]
answer:
[-27.5, -60.0, -44.0]


question:
[-1, 86, 32, 82, -97, 28, -23]
answer:
[42.5, 59.0, 57.0, -7.5, -34.5, 2.5]


question:
[9, -98, 7, 15, 100]
answer:

[-44.5, -45.5, 11.0, 57.5]