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].

[86, -66, -60]
[10.0, -63.0]

[-32, -39, -13]
[-35.5, -26.0]

[76, 62, -35]

[69.0, 13.5]