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: [-97, -65, -55, 15]
Example Output: [-81.0, -60.0, -20.0]

Example Input: [-89, 83, 0, -53]
Example Output: [-3.0, 41.5, -26.5]

Example Input: [-30, -40, 27, 21, 44, -62, 25, 32, 57, -85, 19]
Example Output:
[-35.0, -6.5, 24.0, 32.5, -9.0, -18.5, 28.5, 44.5, -14.0, -33.0]