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]: [-20, -22, -38, 68, 32, -96, 79, 4, -39, -49]
[A]: [-21.0, -30.0, 15.0, 50.0, -32.0, -8.5, 41.5, -17.5, -44.0]


[Q]: [-47, 99, -39, 1, 32, 77, 4, 53, -71]
[A]: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]


[Q]: [71, 48, -16, -56, 85, -9, -98, 78, 85]
[A]:
[59.5, 16.0, -36.0, 14.5, 38.0, -53.5, -10.0, 81.5]