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]: [-29, -56, -77, -51, 5, -12, -80]
[A]: [-42.5, -66.5, -64.0, -23.0, -3.5, -46.0]


[Q]: [-48, -86, 13, 21, 39, -52, 70, 6, 66, 58, -3, 88, -64]
[A]: [-67.0, -36.5, 17.0, 30.0, -6.5, 9.0, 38.0, 36.0, 62.0, 27.5, 42.5, 12.0]


[Q]: [53, -51, 22, 84, -12, 13, -68, -85, -81]
[A]:
[1.0, -14.5, 53.0, 36.0, 0.5, -27.5, -76.5, -83.0]