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: [-79, -48, 58, -34, 17]
Example Output: [-63.5, 5.0, 12.0, -8.5]

Example Input: [-100, -100, -39, 13, 24, -2, 77, 37, -20, -38, 18, 55]
Example Output: [-100.0, -69.5, -13.0, 18.5, 11.0, 37.5, 57.0, 8.5, -29.0, -10.0, 36.5]

Example Input: [71, 76, 47, -19, 16, -39]
Example Output:
[73.5, 61.5, 14.0, -1.5, -11.5]