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]: [20, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]
[EX A]: [-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]

[EX Q]: [-64, -46, 21, -97, -86]
[EX A]: [-55.0, -12.5, -38.0, -91.5]

[EX Q]: [-87, -36, 76, -47, -6, -13, 33, 40, 19]
[EX A]:
[-61.5, 20.0, 14.5, -26.5, -9.5, 10.0, 36.5, 29.5]