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]: [53, -70, 12, 14, -11, -69, 85]
[A]: [-8.5, -29.0, 13.0, 1.5, -40.0, 8.0]


[Q]: [91, -52, -63, 41]
[A]: [19.5, -57.5, -11.0]


[Q]: [-92, -50, 96, -75, -72, -88, -19, 93, -37, -82, 9, -63, -22, 84, 60]
[A]:
[-71.0, 23.0, 10.5, -73.5, -80.0, -53.5, 37.0, 28.0, -59.5, -36.5, -27.0, -42.5, 31.0, 72.0]