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:
[1, 50, -16, -45, 72]
answer:
[25.5, 17.0, -30.5, 13.5]


question:
[86, -66, -60]
answer:
[10.0, -63.0]


question:
[-14, -93, 6, -75, 34, 96, 8, -65, -91]
answer:

[-53.5, -43.5, -34.5, -20.5, 65.0, 52.0, -28.5, -78.0]