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: [6, 80, -33, -48, -65, 9, 53, 34, 54]
Example Output: [43.0, 23.5, -40.5, -56.5, -28.0, 31.0, 43.5, 44.0]

Example Input: [91, 4, -53, 2, 79, -22, -71]
Example Output: [47.5, -24.5, -25.5, 40.5, 28.5, -46.5]

Example Input: [-47, 6]
Example Output:
[-20.5]