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]: [-12, -11, -13, 37, 73, -7, -15, 62, 1, 5, 93, -30, 21, 29, 99]
[EX A]: [-11.5, -12.0, 12.0, 55.0, 33.0, -11.0, 23.5, 31.5, 3.0, 49.0, 31.5, -4.5, 25.0, 64.0]

[EX Q]: [82, -6, -31, 31, 30]
[EX A]: [38.0, -18.5, 0.0, 30.5]

[EX Q]: [-17, -99, -17, -14, -40, -62, 94, 76, 69]
[EX A]:
[-58.0, -58.0, -15.5, -27.0, -51.0, 16.0, 85.0, 72.5]