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]: [-96, 12]
[EX A]: [-42.0]

[EX Q]: [29, 38, -89, -84, 82, -45, -18, 49, -59, 14, 90, -52, -60, 16, -29]
[EX A]: [33.5, -25.5, -86.5, -1.0, 18.5, -31.5, 15.5, -5.0, -22.5, 52.0, 19.0, -56.0, -22.0, -6.5]

[EX Q]: [57, -74]
[EX A]:
[-8.5]