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, -28, -32]
[A]: [13.0, -30.0]


[Q]: [87, 22, 13, 9, -28, -51, -58, -11, 40, 60, 25]
[A]: [54.5, 17.5, 11.0, -9.5, -39.5, -54.5, -34.5, 14.5, 50.0, 42.5]


[Q]: [-51, -20, 30, -13, -93, 10, 74, -52, 94, 61, -8, -29, 46, -19, 40]
[A]:
[-35.5, 5.0, 8.5, -53.0, -41.5, 42.0, 11.0, 21.0, 77.5, 26.5, -18.5, 8.5, 13.5, 10.5]