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]: [54, 27, 20, -9]
[A]: [40.5, 23.5, 5.5]


[Q]: [-96, 46, 64, 86, 20, -62, 73, -51, -35, 63, 34]
[A]: [-25.0, 55.0, 75.0, 53.0, -21.0, 5.5, 11.0, -43.0, 14.0, 48.5]


[Q]: [28, 43, -11, -84, 29, 99, 99, -50, -94, -86]
[A]:
[35.5, 16.0, -47.5, -27.5, 64.0, 99.0, 24.5, -72.0, -90.0]