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, -29, -8, -76, 90, 60, 14, 63, -12]
answer:
[-48.5, -18.5, -42.0, 7.0, 75.0, 37.0, 38.5, 25.5]


question:
[-6, -18, 1, 1, 14, -47, -51, 100, 60, 24, 78, -80, 72, 41, 23]
answer:
[-12.0, -8.5, 1.0, 7.5, -16.5, -49.0, 24.5, 80.0, 42.0, 51.0, -1.0, -4.0, 56.5, 32.0]


question:
[16, 5, -72, -38, -8, 43, 53, 61, -74, -18, -91, -36, 41, 21]
answer:

[10.5, -33.5, -55.0, -23.0, 17.5, 48.0, 57.0, -6.5, -46.0, -54.5, -63.5, 2.5, 31.0]