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]: [24, 99, 39, -86]
[A]: [61.5, 69.0, -23.5]


[Q]: [44, -69, 2, -20, -20]
[A]: [-12.5, -33.5, -9.0, -20.0]


[Q]: [-79, -19, -88]
[A]:
[-49.0, -53.5]