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]: [-74, -2]
[A]: [-38.0]


[Q]: [-56, 63, 38, -20, 81, -95]
[A]: [3.5, 50.5, 9.0, 30.5, -7.0]


[Q]: [97, -58, -100, -59, -2, 91, 93, 91, -50, -22]
[A]:
[19.5, -79.0, -79.5, -30.5, 44.5, 92.0, 92.0, 20.5, -36.0]