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: [92, -48]
Example Output: [22.0]

Example Input: [-77, -99, 38, 19, -6, -25, 95, -11, -96]
Example Output: [-88.0, -30.5, 28.5, 6.5, -15.5, 35.0, 42.0, -53.5]

Example Input: [57, -61, 67, 42]
Example Output:
[-2.0, 3.0, 54.5]