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]: [42, 55, -1, 83, 35, 85, 50, 90, -12, -65, 43, 94, 39, -39, -78]
[A]: [48.5, 27.0, 41.0, 59.0, 60.0, 67.5, 70.0, 39.0, -38.5, -11.0, 68.5, 66.5, 0.0, -58.5]


[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]: [90, -66, -52, 44, 86, 97, -12, 80, 59, 60, -42, 34]
[A]:
[12.0, -59.0, -4.0, 65.0, 91.5, 42.5, 34.0, 69.5, 59.5, 9.0, -4.0]