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: [20, 57, 16, -66, -30, -89, 64, -22, 7, -36, -19, -71]
Example Output: [38.5, 36.5, -25.0, -48.0, -59.5, -12.5, 21.0, -7.5, -14.5, -27.5, -45.0]

Example Input: [-95, -83, 51, -80]
Example Output: [-89.0, -16.0, -14.5]

Example Input: [-40, -59, -46, 32, 47, -79, 51, 96, 61, 45, -29]
Example Output:
[-49.5, -52.5, -7.0, 39.5, -16.0, -14.0, 73.5, 78.5, 53.0, 8.0]