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]: [-48, -86, 13, 21, 39, -52, 70, 6, 66, 58, -3, 88, -64]
[A]: [-67.0, -36.5, 17.0, 30.0, -6.5, 9.0, 38.0, 36.0, 62.0, 27.5, 42.5, 12.0]


[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]: [-23, -59, -54, -74, -97, 15, 91, -71, -69, 30, -41, 41, -43]
[A]:
[-41.0, -56.5, -64.0, -85.5, -41.0, 53.0, 10.0, -70.0, -19.5, -5.5, 0.0, -1.0]