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: [-55, -71, -30, -22]
Example Output: [-63.0, -50.5, -26.0]

Example Input: [92, 61, 50, -43, -94, 38, -49, 52, 19, 3, -96, 27]
Example Output: [76.5, 55.5, 3.5, -68.5, -28.0, -5.5, 1.5, 35.5, 11.0, -46.5, -34.5]

Example Input: [42, -57, 62, 14, -89, 19, 56, -90, 32, 21, -2, -9]
Example Output:
[-7.5, 2.5, 38.0, -37.5, -35.0, 37.5, -17.0, -29.0, 26.5, 9.5, -5.5]