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].

Example Input: [82, -6, -31, 31, 30]
Example Output: [38.0, -18.5, 0.0, 30.5]

Example Input: [-71, -50, 89, 64, -54, 29, 65, -13, -13, -58]
Example Output: [-60.5, 19.5, 76.5, 5.0, -12.5, 47.0, 26.0, -13.0, -35.5]

Example Input: [-12, 68, 71, -66, 66, 83, 18, -14, -18]
Example Output:
[28.0, 69.5, 2.5, 0.0, 74.5, 50.5, 2.0, -16.0]