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: [-19, 65, -60, 12, 46, -65, -10]
Example Output: [23.0, 2.5, -24.0, 29.0, -9.5, -37.5]

Example Input: [5, -66, -33, 35, -80, 91, -42]
Example Output:
[-30.5, -49.5, 1.0, -22.5, 5.5, 24.5]