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].

[8, -8, 26, -88, 71, -9, -10, -93, -91, -72, -12]
[0.0, 9.0, -31.0, -8.5, 31.0, -9.5, -51.5, -92.0, -81.5, -42.0]

[-90, 40, 90]
[-25.0, 65.0]

[-82, -46, -50, 84, 94, 78, -5, -49, -60, 13, 6, 68]

[-64.0, -48.0, 17.0, 89.0, 86.0, 36.5, -27.0, -54.5, -23.5, 9.5, 37.0]