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, 68, -97, 81, 6, 30, 71, 61, -73]
[EX A]: [13.0, -14.5, -8.0, 43.5, 18.0, 50.5, 66.0, -6.0]

[EX Q]: [-15, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]
[EX A]: [-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]

[EX Q]: [81, -68, -52, 93, -55, -94, 100, 72, 36, -32, -95, 56, 84]
[EX A]:
[6.5, -60.0, 20.5, 19.0, -74.5, 3.0, 86.0, 54.0, 2.0, -63.5, -19.5, 70.0]