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: [87, 34, 59, -97, -67, -71, -28, -51, 56]
Example Output: [60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]

Example Input: [-32, 19, 54, -51]
Example Output: [-6.5, 36.5, 1.5]

Example Input: [-1, 17, 78, 92, -4, -10, 59]
Example Output:
[8.0, 47.5, 85.0, 44.0, -7.0, 24.5]