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: [-81, 99, -79, 70, 91]
Example Output: [9.0, 10.0, -4.5, 80.5]

Example Input: [-2, 54, 35, -67]
Example Output: [26.0, 44.5, -16.0]

Example Input: [92, -18, 34, -6, 3]
Example Output:
[37.0, 8.0, 14.0, -1.5]