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: [-15, 5]
Example Output: [-5.0]

Example Input: [-72, -25, -60, -27, 99, -14, -13, -78, 43, -48, -98]
Example Output: [-48.5, -42.5, -43.5, 36.0, 42.5, -13.5, -45.5, -17.5, -2.5, -73.0]

Example Input: [-70, -29, -28, 85, 14, -56, -67, 51, 27, 72, -10, -100, -40, 87]
Example Output:
[-49.5, -28.5, 28.5, 49.5, -21.0, -61.5, -8.0, 39.0, 49.5, 31.0, -55.0, -70.0, 23.5]