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:
[58, 76, 12, -55, 74, 15, -81]
answer:
[67.0, 44.0, -21.5, 9.5, 44.5, -33.0]


question:
[98, -73, 94, -63, 27, -13, 26]
answer:
[12.5, 10.5, 15.5, -18.0, 7.0, 6.5]


question:
[74, -100, -38, -93]
answer:

[-13.0, -69.0, -65.5]