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:
[60, -62, 60, 25, -76, -95]
answer:
[-1.0, -1.0, 42.5, -25.5, -85.5]


question:
[19, -12, 33, -11, -57]
answer:

[3.5, 10.5, 11.0, -34.0]