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]: [-3, -21, 57, -70, -97, -90, 31, 83, 68, -34, -65, 13]
[A]: [-12.0, 18.0, -6.5, -83.5, -93.5, -29.5, 57.0, 75.5, 17.0, -49.5, -26.0]


[Q]: [-29, 30, -85, 70, 5, -41]
[A]: [0.5, -27.5, -7.5, 37.5, -18.0]


[Q]: [64, -46, -55, -100, -70, -30, 52, -5, -76]
[A]:
[9.0, -50.5, -77.5, -85.0, -50.0, 11.0, 23.5, -40.5]