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]: [-8, -54, 31, -40, 58, -2, 45, -86, -62, -14, 94]
[A]: [-31.0, -11.5, -4.5, 9.0, 28.0, 21.5, -20.5, -74.0, -38.0, 40.0]


[Q]: [-69, 63, 47]
[A]: [-3.0, 55.0]


[Q]: [-89, -3, 38, 48]
[A]:
[-46.0, 17.5, 43.0]