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]: [-54, -41, 62, -97, 75, 85, -38, -11, 99, -77, 36]
[A]: [-47.5, 10.5, -17.5, -11.0, 80.0, 23.5, -24.5, 44.0, 11.0, -20.5]


[Q]: [-81, -97, 24, 13, -42, -46, -6, 31]
[A]: [-89.0, -36.5, 18.5, -14.5, -44.0, -26.0, 12.5]


[Q]: [-21, 52, -64, -16, -62, -9, -99, -9, 49, 17]
[A]:
[15.5, -6.0, -40.0, -39.0, -35.5, -54.0, -54.0, 20.0, 33.0]