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]: [1, 50, -16, -45, 72]
[A]: [25.5, 17.0, -30.5, 13.5]


[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]: [-28, 1, -3, 11, -28, -95, -16, -36, -54, 69, -42]
[A]:
[-13.5, -1.0, 4.0, -8.5, -61.5, -55.5, -26.0, -45.0, 7.5, 13.5]