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: [91, 3, -59, 63]
Example Output: [47.0, -28.0, 2.0]

Example Input: [-63, -20, 13, 6, -94]
Example Output: [-41.5, -3.5, 9.5, -44.0]

Example Input: [-54, 53, -98, -5, 20, -41, -73, 82, 71, 48, -11, 28]
Example Output:
[-0.5, -22.5, -51.5, 7.5, -10.5, -57.0, 4.5, 76.5, 59.5, 18.5, 8.5]