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]: [-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]
[A]: [-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]


[Q]: [81, -34, 68, 80, -48, -16, -47, 59, 84, 75, 19, 82, -95]
[A]: [23.5, 17.0, 74.0, 16.0, -32.0, -31.5, 6.0, 71.5, 79.5, 47.0, 50.5, -6.5]


[Q]: [-66, -42, -38, -15]
[A]:
[-54.0, -40.0, -26.5]