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]: [-47, 58, 28]
[EX A]: [5.5, 43.0]

[EX Q]: [73, -32, -75, 39, -10, -15, 90, -89, -56, 40, -66, -89, -34]
[EX A]: [20.5, -53.5, -18.0, 14.5, -12.5, 37.5, 0.5, -72.5, -8.0, -13.0, -77.5, -61.5]

[EX Q]: [52, 5, 77, -58, 65, 68, -13, 88]
[EX A]:
[28.5, 41.0, 9.5, 3.5, 66.5, 27.5, 37.5]