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:
[57, 81, -99]
answer:
[69.0, -9.0]


question:
[58, -15]
answer:
[21.5]


question:
[57, -9]
answer:

[24.0]


