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].

[Q]: [4, 2, -57, 94, 32, -15, 69, 43, 35, 46, 45]
[A]: [3.0, -27.5, 18.5, 63.0, 8.5, 27.0, 56.0, 39.0, 40.5, 45.5]


[Q]: [57, 81, -99]
[A]: [69.0, -9.0]


[Q]: [-23, 15, -85, 22, -10, -60, -16]
[A]:
[-4.0, -35.0, -31.5, 6.0, -35.0, -38.0]