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]: [-22, -85]
[A]: [-53.5]


[Q]: [-25, 29, 0, -66, -92, 11, -89, -35, 80, -69, 81, -69]
[A]: [2.0, 14.5, -33.0, -79.0, -40.5, -39.0, -62.0, 22.5, 5.5, 6.0, 6.0]


[Q]: [-26, -12, 51, 69]
[A]:
[-19.0, 19.5, 60.0]