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, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]
Example Output: [-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]

Example Input: [47, -34, 89, -12, -79, -52, -80, 55, 75, -8, 72, -38, 87, 1, -78]
Example Output: [6.5, 27.5, 38.5, -45.5, -65.5, -66.0, -12.5, 65.0, 33.5, 32.0, 17.0, 24.5, 44.0, -38.5]

Example Input: [-10, -87]
Example Output:
[-48.5]