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: [63, -14, -65, -83, -91, 76, 14, 67, -91, 2, -40]
Example Output: [24.5, -39.5, -74.0, -87.0, -7.5, 45.0, 40.5, -12.0, -44.5, -19.0]

Example Input: [-45, 34]
Example Output: [-5.5]

Example Input: [27, -3, -88, 32, -80, 40, -8, 35, -10, -58, 30, 80, -36]
Example Output:
[12.0, -45.5, -28.0, -24.0, -20.0, 16.0, 13.5, 12.5, -34.0, -14.0, 55.0, 22.0]