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].

[EX Q]: [-47, 99, -39, 1, 32, 77, 4, 53, -71]
[EX A]: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]

[EX Q]: [-40, 54]
[EX A]: [7.0]

[EX Q]: [-11, 68, 5, 30, -48, 87, -52, 0]
[EX A]:
[28.5, 36.5, 17.5, -9.0, 19.5, 17.5, -26.0]