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: [67, 45, 59, -50, -28, -70, -84, 69, 72, 53]
Example Output: [56.0, 52.0, 4.5, -39.0, -49.0, -77.0, -7.5, 70.5, 62.5]

Example Input: [4, 56, 13, 30, 42, -23, 54, 75, -46, -34, 44, -47, 50, -16]
Example Output: [30.0, 34.5, 21.5, 36.0, 9.5, 15.5, 64.5, 14.5, -40.0, 5.0, -1.5, 1.5, 17.0]

Example Input: [-89, 9, -65, -64]
Example Output:
[-40.0, -28.0, -64.5]