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:
[-68, 22, -96, 77, 86, -19, 90, 65, -47, -15, 8, 17, -64, -18, 64]
answer:
[-23.0, -37.0, -9.5, 81.5, 33.5, 35.5, 77.5, 9.0, -31.0, -3.5, 12.5, -23.5, -41.0, 23.0]


question:
[-75, -34, -1, 26, -70, 62, -63, -8, -10, -29, -27, 0, 87, 29, 29]
answer:
[-54.5, -17.5, 12.5, -22.0, -4.0, -0.5, -35.5, -9.0, -19.5, -28.0, -13.5, 43.5, 58.0, 29.0]


question:
[58, -64, 96, 28, -36, 54, 40, -72, 79, 20, -17, -41]
answer:

[-3.0, 16.0, 62.0, -4.0, 9.0, 47.0, -16.0, 3.5, 49.5, 1.5, -29.0]