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]: [42, 42, 0, -99, -11, 17, -42, -72]
[A]: [42.0, 21.0, -49.5, -55.0, 3.0, -12.5, -57.0]


[Q]: [66, 64, 72, -51, 62, 66, -93]
[A]: [65.0, 68.0, 10.5, 5.5, 64.0, -13.5]


[Q]: [7, -44, 57, -88, 48, 86]
[A]:
[-18.5, 6.5, -15.5, -20.0, 67.0]