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]: [-83, -21, -49, -92, 75]
[A]: [-52.0, -35.0, -70.5, -8.5]


[Q]: [-15, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]
[A]: [-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]


[Q]: [68, -66]
[A]:
[1.0]