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]: [-48, -86, 13, 21, 39, -52, 70, 6, 66, 58, -3, 88, -64]
[A]: [-67.0, -36.5, 17.0, 30.0, -6.5, 9.0, 38.0, 36.0, 62.0, 27.5, 42.5, 12.0]


[Q]: [0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]
[A]: [-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]


[Q]: [-53, 96, 5, -55, 18, -45, -60, -10, -1, 71, -20]
[A]:
[21.5, 50.5, -25.0, -18.5, -13.5, -52.5, -35.0, -5.5, 35.0, 25.5]