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]: [-31, 47, -12, 69, 3, 15, 55, 87, 81, 75, -77, -59, -28]
[A]: [8.0, 17.5, 28.5, 36.0, 9.0, 35.0, 71.0, 84.0, 78.0, -1.0, -68.0, -43.5]


[Q]: [60, 91, 22, -94, -97, -3, -34, -62, -88, -42, 22, -93, -33, -19]
[A]: [75.5, 56.5, -36.0, -95.5, -50.0, -18.5, -48.0, -75.0, -65.0, -10.0, -35.5, -63.0, -26.0]


[Q]: [-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]
[A]:
[-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]