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: [-41, -35]
Example Output: [-38.0]

Example Input: [-51, 1, -77, -80, 33, -42, 41, 86, -18, 58]
Example Output: [-25.0, -38.0, -78.5, -23.5, -4.5, -0.5, 63.5, 34.0, 20.0]

Example Input: [-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]
Example Output:
[-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]