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: [77, 66, 11]
Example Output: [71.5, 38.5]

Example Input: [94, 36, -77, -44, -66, -1, 63, 28, 84, 91, 4, -43, 39, -81, -73]
Example Output: [65.0, -20.5, -60.5, -55.0, -33.5, 31.0, 45.5, 56.0, 87.5, 47.5, -19.5, -2.0, -21.0, -77.0]

Example Input: [9, -73, 56, -66, -42, 94, -25, 33, 23, 2, -18, -73]
Example Output:
[-32.0, -8.5, -5.0, -54.0, 26.0, 34.5, 4.0, 28.0, 12.5, -8.0, -45.5]