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]: [14, -42]
[A]: [-14.0]


[Q]: [11, 88]
[A]: [49.5]


[Q]: [-87, -17, 28]
[A]:
[-52.0, 5.5]