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]: [1, -85]
[A]: [-42.0]


[Q]: [40, 83, 44, 97, -92, -35, 97, -52, -46, 14, -31, -57, -52, 18]
[A]:
[61.5, 63.5, 70.5, 2.5, -63.5, 31.0, 22.5, -49.0, -16.0, -8.5, -44.0, -54.5, -17.0]