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: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]
Example Output: [17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]

Example Input: [83, 67, 5, -15]
Example Output: [75.0, 36.0, -5.0]

Example Input: [-26, -52, 13, 13, 41, 50, 48, 92, 35]
Example Output:
[-39.0, -19.5, 13.0, 27.0, 45.5, 49.0, 70.0, 63.5]