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: [14, 49, -88, 85, 79, 93, -16, 66, -35, 14, 40, 38, -9]
Example Output: [31.5, -19.5, -1.5, 82.0, 86.0, 38.5, 25.0, 15.5, -10.5, 27.0, 39.0, 14.5]

Example Input: [-2, 54, 35, -67]
Example Output: [26.0, 44.5, -16.0]

Example Input: [-6, -55, 3, -12]
Example Output:
[-30.5, -26.0, -4.5]