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: [-53, 31, 52]
Example Output: [-11.0, 41.5]

Example Input: [31, 33, 27, 25]
Example Output: [32.0, 30.0, 26.0]

Example Input: [-12, 80, -85, -32, -67, 26, 1, 49, -58, 19, 49, -56, -69]
Example Output:
[34.0, -2.5, -58.5, -49.5, -20.5, 13.5, 25.0, -4.5, -19.5, 34.0, -3.5, -62.5]