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]: [-72, 43, 78, -30, 53]
[A]: [-14.5, 60.5, 24.0, 11.5]


[Q]: [-32, -39, -13]
[A]: [-35.5, -26.0]


[Q]: [81, -91, -37, -67, -91, -83, -16, -97, 20, 61, -17, -25]
[A]:
[-5.0, -64.0, -52.0, -79.0, -87.0, -49.5, -56.5, -38.5, 40.5, 22.0, -21.0]