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: [89, -29, -43, 99, -63, -80, -73, -50, -58]
Example Output: [30.0, -36.0, 28.0, 18.0, -71.5, -76.5, -61.5, -54.0]

Example Input: [-73, -25, -81, 3, 49, -56, 5, -90, -83, -48, 47]
Example Output: [-49.0, -53.0, -39.0, 26.0, -3.5, -25.5, -42.5, -86.5, -65.5, -0.5]

Example Input: [24, 28]
Example Output:
[26.0]