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: [-19, 3, -82, 68, -38, 19, -48, -86]
Example Output: [-8.0, -39.5, -7.0, 15.0, -9.5, -14.5, -67.0]

Example Input: [-40, 54]
Example Output: [7.0]

Example Input: [41, 71, -33]
Example Output:
[56.0, 19.0]