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]: [-19, 65, -60, 12, 46, -65, -10]
[A]: [23.0, 2.5, -24.0, 29.0, -9.5, -37.5]


[Q]: [-80, -100, -83, -56, -16, 87]
[A]: [-90.0, -91.5, -69.5, -36.0, 35.5]


[Q]: [-74, 91, 17, 64, 43, 79, 29, 83, -47]
[A]:
[8.5, 54.0, 40.5, 53.5, 61.0, 54.0, 56.0, 18.0]