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]: [69, -90, -81, -41, -38, -41, 15, 55, 18, -24, 52, -55, 79, 84, -59]
[A]: [-10.5, -85.5, -61.0, -39.5, -39.5, -13.0, 35.0, 36.5, -3.0, 14.0, -1.5, 12.0, 81.5, 12.5]


[Q]: [-29, -56, -77, -51, 5, -12, -80]
[A]: [-42.5, -66.5, -64.0, -23.0, -3.5, -46.0]


[Q]: [-79, -19, 58, -55, -64, 36, -99, -51, -69, 21, 52, 10, 26]
[A]:
[-49.0, 19.5, 1.5, -59.5, -14.0, -31.5, -75.0, -60.0, -24.0, 36.5, 31.0, 18.0]