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]: [57, 81, -99]
[EX A]: [69.0, -9.0]

[EX Q]: [92, -24, -56, -81, 53, 60, 5, -82, -14, -26, -31, -83, 17]
[EX A]: [34.0, -40.0, -68.5, -14.0, 56.5, 32.5, -38.5, -48.0, -20.0, -28.5, -57.0, -33.0]

[EX Q]: [100, 82, 48, -85, 91, -94, 53, 91, 0, 71, 92, 0, -43, 17, 0]
[EX A]:
[91.0, 65.0, -18.5, 3.0, -1.5, -20.5, 72.0, 45.5, 35.5, 81.5, 46.0, -21.5, -13.0, 8.5]