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: [-74, -2]
Example Output: [-38.0]

Example Input: [68, -24, 24]
Example Output: [22.0, 0.0]

Example Input: [18, -28]
Example Output:
[-5.0]