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]: [83, -58]
[A]: [12.5]


[Q]: [-70, -94]
[A]: [-82.0]


[Q]: [-41, -70, 58, -29, -72, 69, 82, -24, -50]
[A]:
[-55.5, -6.0, 14.5, -50.5, -1.5, 75.5, 29.0, -37.0]