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]: [-47, 99, -39, 1, 32, 77, 4, 53, -71]
[A]: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]


[Q]: [24, -46, -3, -23, -54, 24, 89, -5, -46, -97, 64, -83]
[A]: [-11.0, -24.5, -13.0, -38.5, -15.0, 56.5, 42.0, -25.5, -71.5, -16.5, -9.5]


[Q]: [-16, -14, 15, 36, 93, -43, 64, -92, 28, -22, -32, -20, 45, -50]
[A]:
[-15.0, 0.5, 25.5, 64.5, 25.0, 10.5, -14.0, -32.0, 3.0, -27.0, -26.0, 12.5, -2.5]