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]: [-42, -76]
[A]: [-59.0]


[Q]: [79, -21, 98, 57, -90, 11, 45, -2, 6, -34]
[A]: [29.0, 38.5, 77.5, -16.5, -39.5, 28.0, 21.5, 2.0, -14.0]


[Q]: [-74, 66, 10, 15, -59, 82, -20, 63, -2, -46, -20, -82, -67]
[A]:
[-4.0, 38.0, 12.5, -22.0, 11.5, 31.0, 21.5, 30.5, -24.0, -33.0, -51.0, -74.5]