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]: [-69, 63, 47]
[A]: [-3.0, 55.0]


[Q]: [-80, -95, 61, -96, 44, 18, 84, -7]
[A]: [-87.5, -17.0, -17.5, -26.0, 31.0, 51.0, 38.5]


[Q]: [-67, -96, -7, 11]
[A]:
[-81.5, -51.5, 2.0]