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]: [57, -42, 24, 40, 59, 88, -75, -11, 9, -56, -92, -80]
[A]: [7.5, -9.0, 32.0, 49.5, 73.5, 6.5, -43.0, -1.0, -23.5, -74.0, -86.0]


[Q]: [82, -6, -31, 31, 30]
[A]: [38.0, -18.5, 0.0, 30.5]


[Q]: [-96, 24, -60, -15, 31]
[A]:
[-36.0, -18.0, -37.5, 8.0]