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: [-53, 31, 52]
Example Output: [-11.0, 41.5]

Example Input: [44, -69, 2, -20, -20]
Example Output: [-12.5, -33.5, -9.0, -20.0]

Example Input: [-2, -12, 35, 72, 67, 7, 46, 74]
Example Output:
[-7.0, 11.5, 53.5, 69.5, 37.0, 26.5, 60.0]