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].

[Q]: [5, -27, -35, -14, -48, 55, 42, 68, -12, -85, 82, -30, 22]
[A]: [-11.0, -31.0, -24.5, -31.0, 3.5, 48.5, 55.0, 28.0, -48.5, -1.5, 26.0, -4.0]


[Q]: [-85, 41, -29, 47, -31, -38, 91, 82]
[A]: [-22.0, 6.0, 9.0, 8.0, -34.5, 26.5, 86.5]


[Q]: [-69, 35, 33]
[A]:
[-17.0, 34.0]