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: [-47, 11, -88, -4, -97, 50, 86, -64]
Example Output: [-18.0, -38.5, -46.0, -50.5, -23.5, 68.0, 11.0]

Example Input: [49, -66]
Example Output: [-8.5]

Example Input: [-62, -49, 48, 74, 86, 89, 43, -64]
Example Output:
[-55.5, -0.5, 61.0, 80.0, 87.5, 66.0, -10.5]