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]: [55, -33, 9, 23, -18, -6, -90, -6, -78]
[A]: [11.0, -12.0, 16.0, 2.5, -12.0, -48.0, -48.0, -42.0]


[Q]: [84, -86, 12, 56, 39, 30]
[A]: [-1.0, -37.0, 34.0, 47.5, 34.5]


[Q]: [60, 3, 52, 13, 81, -2, 44, 91, -67, 55, -78, 5]
[A]:
[31.5, 27.5, 32.5, 47.0, 39.5, 21.0, 67.5, 12.0, -6.0, -11.5, -36.5]