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].

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

[29, -92, 6, -24, -12, 98, 69, 26, -32, 70, 37]
[-31.5, -43.0, -9.0, -18.0, 43.0, 83.5, 47.5, -3.0, 19.0, 53.5]

[-29, -52, -87, 5, -79, 36, 29, -51, -41, -23, 41, 93, 7, -8, 20]

[-40.5, -69.5, -41.0, -37.0, -21.5, 32.5, -11.0, -46.0, -32.0, 9.0, 67.0, 50.0, -0.5, 6.0]