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]: [-85, 41, -29, 47, -31, -38, 91, 82]
[A]: [-22.0, 6.0, 9.0, 8.0, -34.5, 26.5, 86.5]


[Q]: [-100, -17, -69, 0, 35, -39, -34, -70, 21, 55, -74, -63]
[A]: [-58.5, -43.0, -34.5, 17.5, -2.0, -36.5, -52.0, -24.5, 38.0, -9.5, -68.5]


[Q]: [55, 61, 91, -76]
[A]:
[58.0, 76.0, 7.5]