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, 86, 32, 82, -97, 28, -23]
[A]: [42.5, 59.0, 57.0, -7.5, -34.5, 2.5]


[Q]: [76, 77, 36, 41]
[A]: [76.5, 56.5, 38.5]


[Q]: [-89, 57]
[A]:
[-16.0]