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]: [10, 70, 61, -80, 6, 39, -83, 31, -25]
[A]: [40.0, 65.5, -9.5, -37.0, 22.5, -22.0, -26.0, 3.0]


[Q]: [27, 32, -92]
[A]: [29.5, -30.0]


[Q]: [16, 13, 75, -20, -77, 49, 67, -60, 6, -48]
[A]:
[14.5, 44.0, 27.5, -48.5, -14.0, 58.0, 3.5, -27.0, -21.0]