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]: [13, -16, 74, -48, 53, 39, -49]
[A]: [-1.5, 29.0, 13.0, 2.5, 46.0, -5.0]


[Q]: [82, -83, 7, 85, -54, 44, 42, 3, -71, 95, 59, -77, -32, -7, -96]
[A]: [-0.5, -38.0, 46.0, 15.5, -5.0, 43.0, 22.5, -34.0, 12.0, 77.0, -9.0, -54.5, -19.5, -51.5]


[Q]: [55, 30, -99, -28, 1, 56, -28, -88, 16]
[A]:
[42.5, -34.5, -63.5, -13.5, 28.5, 14.0, -58.0, -36.0]