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].

[-25, 29, 0, -66, -92, 11, -89, -35, 80, -69, 81, -69]
[2.0, 14.5, -33.0, -79.0, -40.5, -39.0, -62.0, 22.5, 5.5, 6.0, 6.0]

[9, 62, 4, -63, -50, 9, -19, -42, -20]
[35.5, 33.0, -29.5, -56.5, -20.5, -5.0, -30.5, -31.0]

[-61, 91, -78]

[15.0, 6.5]