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]: [1, 50, -16, -45, 72]
[EX A]: [25.5, 17.0, -30.5, 13.5]

[EX Q]: [10, 78, -51, -20, 48, 55, -72, -1]
[EX A]: [44.0, 13.5, -35.5, 14.0, 51.5, -8.5, -36.5]

[EX Q]: [57, 40, 69, 26, -8, -15, 64, -53, 54, -46, 74, 40]
[EX A]:
[48.5, 54.5, 47.5, 9.0, -11.5, 24.5, 5.5, 0.5, 4.0, 14.0, 57.0]