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]: [-22, -85]
[A]: [-53.5]


[Q]: [1, 77, 55, -37, -65, 80, 31, -37, -61, 3, -80]
[A]: [39.0, 66.0, 9.0, -51.0, 7.5, 55.5, -3.0, -49.0, -29.0, -38.5]


[Q]: [46, -69, -73, -47, 22, 9, 52, 46, 63, 97, -2, -64, 98]
[A]:
[-11.5, -71.0, -60.0, -12.5, 15.5, 30.5, 49.0, 54.5, 80.0, 47.5, -33.0, 17.0]