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].

[82, -6, -31, 31, 30]
[38.0, -18.5, 0.0, 30.5]

[-16, 64, -90, -98, -31, 44, 49, -51]
[24.0, -13.0, -94.0, -64.5, 6.5, 46.5, -1.0]

[86, 75, 2, 46, 20, -59, -87, 32, 41, -33]

[80.5, 38.5, 24.0, 33.0, -19.5, -73.0, -27.5, 36.5, 4.0]