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]: [29, -54, 81, -85, 51, -12, -11, -68, 38, 83, 46]
[EX A]: [-12.5, 13.5, -2.0, -17.0, 19.5, -11.5, -39.5, -15.0, 60.5, 64.5]

[EX Q]: [-80, 99, -49, -90, 63, 15, 39, -5, -17]
[EX A]: [9.5, 25.0, -69.5, -13.5, 39.0, 27.0, 17.0, -11.0]

[EX Q]: [-77, -49, 15, 83]
[EX A]:
[-63.0, -17.0, 49.0]