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]: [38, -15, -76]
[A]: [11.5, -45.5]


[Q]: [31, -62, 49, -13, -30, -59, 76, 31, 40, -31, -56, -36]
[A]: [-15.5, -6.5, 18.0, -21.5, -44.5, 8.5, 53.5, 35.5, 4.5, -43.5, -46.0]


[Q]: [-91, -79, 26, 82, 33, -10, 19, 78, 54, 52, 21, -30, 59, -85, -66]
[A]:
[-85.0, -26.5, 54.0, 57.5, 11.5, 4.5, 48.5, 66.0, 53.0, 36.5, -4.5, 14.5, -13.0, -75.5]