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, -9, -91, -69, -63, -48, -52, -57, -56, -85, 75, -19]
answer:
[-38.5, -50.0, -80.0, -66.0, -55.5, -50.0, -54.5, -56.5, -70.5, -5.0, 28.0]


question:
[55, -46, 64, -40]
answer:
[4.5, 9.0, 12.0]


question:
[94, -70, -9, -23, -14, 20, 33, -64, 90]
answer:

[12.0, -39.5, -16.0, -18.5, 3.0, 26.5, -15.5, 13.0]