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


[Q]: [-47, 58, 28]
[A]: [5.5, 43.0]


[Q]: [89, 65, -92]
[A]:
[77.0, -13.5]