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]: [74, -35, -92, -40, 97]
[A]: [19.5, -63.5, -66.0, 28.5]


[Q]: [43, -57]
[A]: [-7.0]


[Q]: [-25, -86, -11, 92, -40, 18, 62, 39, -89, -27, -63, 86, -32, 4]
[A]:
[-55.5, -48.5, 40.5, 26.0, -11.0, 40.0, 50.5, -25.0, -58.0, -45.0, 11.5, 27.0, -14.0]