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]: [-60, -90, 0, -81, 8]
[A]: [-75.0, -45.0, -40.5, -36.5]


[Q]: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]
[A]: [17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]


[Q]: [18, -38, -10, 41, 91, -86, -62, 65, -92]
[A]:
[-10.0, -24.0, 15.5, 66.0, 2.5, -74.0, 1.5, -13.5]