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]: [-2, -57, 85, -7, 81, 57, -60, -87, -18]
[A]: [-29.5, 14.0, 39.0, 37.0, 69.0, -1.5, -73.5, -52.5]


[Q]: [92, -17, -95, -37, -56, 82, -96, 89, 35, -22, -58, -7, 80, 86, 55]
[A]: [37.5, -56.0, -66.0, -46.5, 13.0, -7.0, -3.5, 62.0, 6.5, -40.0, -32.5, 36.5, 83.0, 70.5]


[Q]: [100, 68, -76, 2, -43, 100, 70, -66, -53, 84, -55, -93]
[A]:
[84.0, -4.0, -37.0, -20.5, 28.5, 85.0, 2.0, -59.5, 15.5, 14.5, -74.0]