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:
[33, 15, -60, -30, 13, 49]
answer:
[24.0, -22.5, -45.0, -8.5, 31.0]


question:
[-73, -25, -81, 3, 49, -56, 5, -90, -83, -48, 47]
answer:
[-49.0, -53.0, -39.0, 26.0, -3.5, -25.5, -42.5, -86.5, -65.5, -0.5]


question:
[-42, 82]
answer:

[20.0]