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: [16, -51, -26, 81, 86, 96, 72, 44]
Example Output: [-17.5, -38.5, 27.5, 83.5, 91.0, 84.0, 58.0]

Example Input: [72, -90, -99, -88, -87, -26, -40, -45, 69, 32, 57, 21, -67]
Example Output: [-9.0, -94.5, -93.5, -87.5, -56.5, -33.0, -42.5, 12.0, 50.5, 44.5, 39.0, -23.0]

Example Input: [54, 27, 20, -9]
Example Output:
[40.5, 23.5, 5.5]