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: [-56, 71, 54, -28, 75, -89, -82, 39, -12, 81, 37, 35, 39, 66, 60]

A: [7.5, 62.5, 13.0, 23.5, -7.0, -85.5, -21.5, 13.5, 34.5, 59.0, 36.0, 37.0, 52.5, 63.0]
****
Q: [-13, 68, 35, -12, 21, -100, 20, -33, -92, 21, 20, -33, 48, -71]

A: [27.5, 51.5, 11.5, 4.5, -39.5, -40.0, -6.5, -62.5, -35.5, 20.5, -6.5, 7.5, -11.5]
****
Q: [19, 64, -29]

A:
[41.5, 17.5]
****