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:
[-100, 68, -69, 30]
answer:
[-16.0, -0.5, -19.5]


question:
[57, -42, -14, -48, -62, 7, -9]
answer:
[7.5, -28.0, -31.0, -55.0, -27.5, -1.0]


question:
[-56, -27, -66, 12, -7, 12, -35, 27, -37]
answer:

[-41.5, -46.5, -27.0, 2.5, 2.5, -11.5, -4.0, -5.0]