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]: [-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]: [-24, -20, -8]
[EX A]: [-22.0, -14.0]

[EX Q]: [-28, -49, 44, 98, 76, 81, -61, -54, 28, -96]
[EX A]:
[-38.5, -2.5, 71.0, 87.0, 78.5, 10.0, -57.5, -13.0, -34.0]