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]: [-68, -9, -91, -69, -63, -48, -52, -57, -56, -85, 75, -19]
[A]: [-38.5, -50.0, -80.0, -66.0, -55.5, -50.0, -54.5, -56.5, -70.5, -5.0, 28.0]


[Q]: [89, -29, -43, 99, -63, -80, -73, -50, -58]
[A]: [30.0, -36.0, 28.0, 18.0, -71.5, -76.5, -61.5, -54.0]


[Q]: [49, 9, -39, 86, -100, -7, -69]
[A]:
[29.0, -15.0, 23.5, -7.0, -53.5, -38.0]