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]: [4, 49]
[EX A]: [26.5]

[EX Q]: [-31, 47, -12, 69, 3, 15, 55, 87, 81, 75, -77, -59, -28]
[EX A]: [8.0, 17.5, 28.5, 36.0, 9.0, 35.0, 71.0, 84.0, 78.0, -1.0, -68.0, -43.5]

[EX Q]: [86, -51, 63, -91, -18, 57, -28, -95]
[EX A]:
[17.5, 6.0, -14.0, -54.5, 19.5, 14.5, -61.5]