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]: [91, -52, -63, 41]
[EX A]: [19.5, -57.5, -11.0]

[EX Q]: [-27, -64]
[EX A]: [-45.5]

[EX Q]: [-18, -52, -55, 98, -79, -42]
[EX A]:
[-35.0, -53.5, 21.5, 9.5, -60.5]