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:
[33, -16, -82, -16, -60]
answer:
[8.5, -49.0, -49.0, -38.0]


question:
[-74, -4, 78, 47, -83, -97, -94, -46, -94, 44, 5]
answer:

[-39.0, 37.0, 62.5, -18.0, -90.0, -95.5, -70.0, -70.0, -25.0, 24.5]