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:
[24, -15, -59, 82, -84, 54, -33, 88, -74, 57, -22, 1]
answer:
[4.5, -37.0, 11.5, -1.0, -15.0, 10.5, 27.5, 7.0, -8.5, 17.5, -10.5]


question:
[11, 88]
answer:
[49.5]


question:
[39, 30]
answer:

[34.5]