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]: [-100, 41, -68, -31, -71, -40, 77]
[A]: [-29.5, -13.5, -49.5, -51.0, -55.5, 18.5]


[Q]: [-32, 19, 54, -51]
[A]: [-6.5, 36.5, 1.5]


[Q]: [-90, 59, 76, -8, -77, -66, -10, 2, -37]
[A]:
[-15.5, 67.5, 34.0, -42.5, -71.5, -38.0, -4.0, -17.5]