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:
[40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]
answer:
[58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]


question:
[92, -48]
answer:
[22.0]


question:
[-19, 43, 73, -71, -81, 83, 52, -12, 99, 88, 86, -58, -92]
answer:

[12.0, 58.0, 1.0, -76.0, 1.0, 67.5, 20.0, 43.5, 93.5, 87.0, 14.0, -75.0]