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:
[19, -40, -19, 7, 57, 87, -71, 17, 29, 60, 14, 61, 10, 71, 93]
answer:
[-10.5, -29.5, -6.0, 32.0, 72.0, 8.0, -27.0, 23.0, 44.5, 37.0, 37.5, 35.5, 40.5, 82.0]


question:
[96, 9, -11, -96, -53, -77, 87, 15, 17, 10, -92]
answer:
[52.5, -1.0, -53.5, -74.5, -65.0, 5.0, 51.0, 16.0, 13.5, -41.0]


question:
[61, 99, -57, -51, -17, 50, 91, 62]
answer:

[80.0, 21.0, -54.0, -34.0, 16.5, 70.5, 76.5]