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]: [87, 34, 59, -97, -67, -71, -28, -51, 56]
[A]: [60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]


[Q]: [-25, 38, 7, 52, -63, -81, -63, -74, 85, 27, 2]
[A]: [6.5, 22.5, 29.5, -5.5, -72.0, -72.0, -68.5, 5.5, 56.0, 14.5]


[Q]: [84, -86, 12, 56, 39, 30]
[A]:
[-1.0, -37.0, 34.0, 47.5, 34.5]