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: [-21, 92, -76, 59, 41, -99, -5, 35, 92, 66, -50]
Example Output: [35.5, 8.0, -8.5, 50.0, -29.0, -52.0, 15.0, 63.5, 79.0, 8.0]

Example Input: [92, -17, -95, -37, -56, 82, -96, 89, 35, -22, -58, -7, 80, 86, 55]
Example Output: [37.5, -56.0, -66.0, -46.5, 13.0, -7.0, -3.5, 62.0, 6.5, -40.0, -32.5, 36.5, 83.0, 70.5]

Example Input: [-73, -19, -22, 74]
Example Output:
[-46.0, -20.5, 26.0]