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]: [-16, 54, 42]
[EX A]: [19.0, 48.0]

[EX Q]: [73, 14, 60, -37, -46, 37, 74, -6, -98, -73, 62]
[EX A]: [43.5, 37.0, 11.5, -41.5, -4.5, 55.5, 34.0, -52.0, -85.5, -5.5]

[EX Q]: [9, -31]
[EX A]:
[-11.0]