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]: [60, -8, 34, 3, -31, -83, 13, 23, -6, 64]
[A]: [26.0, 13.0, 18.5, -14.0, -57.0, -35.0, 18.0, 8.5, 29.0]


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


[Q]: [-10, 55, -43, 69]
[A]:
[22.5, 6.0, 13.0]