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:
[84, 76, -56, 90, -63, 11, -25, 44, -16, -86, -51, -87, -7, 38]
answer:
[80.0, 10.0, 17.0, 13.5, -26.0, -7.0, 9.5, 14.0, -51.0, -68.5, -69.0, -47.0, 15.5]


question:
[-51, -24, 83]
answer:

[-37.5, 29.5]