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]: [-42, 38, 39, -43, -66, -57, -9, 47, -25, -24, -89]
[EX A]: [-2.0, 38.5, -2.0, -54.5, -61.5, -33.0, 19.0, 11.0, -24.5, -56.5]

[EX Q]: [-90, 40, 90]
[EX A]: [-25.0, 65.0]

[EX Q]: [-7, -10, 34, -99, -96, -74, 89, -47, 31, 92, -54, 1, -32, 40, 53]
[EX A]:
[-8.5, 12.0, -32.5, -97.5, -85.0, 7.5, 21.0, -8.0, 61.5, 19.0, -26.5, -15.5, 4.0, 46.5]