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]: [91, 12, -2, 74, -96, 64, 58, -44, -31, 38, 1, -26, -88, -67, 80]
[A]: [51.5, 5.0, 36.0, -11.0, -16.0, 61.0, 7.0, -37.5, 3.5, 19.5, -12.5, -57.0, -77.5, 6.5]


[Q]: [-36, -95, 37, 15, -39, 38, 8, -96, 78, 39]
[A]: [-65.5, -29.0, 26.0, -12.0, -0.5, 23.0, -44.0, -9.0, 58.5]


[Q]: [-18, 6, 78, 56, 73, 81, -17, -52, -22, -42, -55, -73, 28]
[A]:
[-6.0, 42.0, 67.0, 64.5, 77.0, 32.0, -34.5, -37.0, -32.0, -48.5, -64.0, -22.5]