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: [85, 64]
Example Output: [74.5]

Example Input: [-34, -43, 12]
Example Output: [-38.5, -15.5]

Example Input: [-69, 27, -8, -99, 77, -66, 41, -6, -89, -75, 80, -56, 56, -2]
Example Output:
[-21.0, 9.5, -53.5, -11.0, 5.5, -12.5, 17.5, -47.5, -82.0, 2.5, 12.0, 0.0, 27.0]