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]: [-47, 58, 28]
[A]: [5.5, 43.0]


[Q]: [91, 12, -2, 74, -96, 64, 58, -44, -31, 38, 1, -26, -88, -67, 80]
[A]: [51.5, 5.0, 36.0, -11.0, -16.0, 61.0, 7.0, -37.5, 3.5, 19.5, -12.5, -57.0, -77.5, 6.5]


[Q]: [93, -54, -15, 78, 39, -31, -65, 36, -96, 62]
[A]:
[19.5, -34.5, 31.5, 58.5, 4.0, -48.0, -14.5, -30.0, -17.0]