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]: [85, 64]
[A]: [74.5]


[Q]: [40, -94, 40, -52, -80]
[A]: [-27.0, -27.0, -6.0, -66.0]


[Q]: [-38, 3, 95, 59, 52, 45, 75, -24, 13, -40, 32, 61, 16]
[A]:
[-17.5, 49.0, 77.0, 55.5, 48.5, 60.0, 25.5, -5.5, -13.5, -4.0, 46.5, 38.5]