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: [-37, 89]
Example Output: [26.0]

Example Input: [40, -94, 40, -52, -80]
Example Output: [-27.0, -27.0, -6.0, -66.0]

Example Input: [74, -20, -89, 78, 84, -14, -12, 1, -36]
Example Output:
[27.0, -54.5, -5.5, 81.0, 35.0, -13.0, -5.5, -17.5]