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: [-31, 21, -23]
Example Output: [-5.0, -1.0]

Example Input: [27, -75, 71, -18, -67, -62, 95, 3, 10]
Example Output: [-24.0, -2.0, 26.5, -42.5, -64.5, 16.5, 49.0, 6.5]

Example Input: [23, -27, -46, -72, -2, 46, 47, -23, -68, -6, -63]
Example Output:
[-2.0, -36.5, -59.0, -37.0, 22.0, 46.5, 12.0, -45.5, -37.0, -34.5]