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: [86, -66, -60]
Example Output: [10.0, -63.0]

Example Input: [18, -10, 28, 29, -23, 98]
Example Output: [4.0, 9.0, 28.5, 3.0, 37.5]

Example Input: [36, 34, -72, -86]
Example Output:
[35.0, -19.0, -79.0]