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: [-13, 58, 24, 49, 97]
Example Output: [22.5, 41.0, 36.5, 73.0]

Example Input: [69, -85, -82, 75, -40, 98, -48, 27, -52, -45]
Example Output: [-8.0, -83.5, -3.5, 17.5, 29.0, 25.0, -10.5, -12.5, -48.5]

Example Input: [20, -17, 41, -60, 2, 64, 36, 16, -43]
Example Output:
[1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]