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]: [77, -69, -47, 13, 70, 22, 70, 22, -29, 80, 83]
[A]: [4.0, -58.0, -17.0, 41.5, 46.0, 46.0, 46.0, -3.5, 25.5, 81.5]


[Q]: [27, -78, -59, -24, 69, -13, 27, 48, -2, -82, 23, 13, 19, 7]
[A]: [-25.5, -68.5, -41.5, 22.5, 28.0, 7.0, 37.5, 23.0, -42.0, -29.5, 18.0, 16.0, 13.0]


[Q]: [99, -70, 100, 51, 55, 20]
[A]:
[14.5, 15.0, 75.5, 53.0, 37.5]