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: [-40, 54]
Example Output: [7.0]

Example Input: [38, 32, -3, 13, 55, 73]
Example Output: [35.0, 14.5, 5.0, 34.0, 64.0]

Example Input: [11, 8, -57, 58, -86, -93, 35, -94, 67, -71, -80, 4, -65, -84]
Example Output:
[9.5, -24.5, 0.5, -14.0, -89.5, -29.0, -29.5, -13.5, -2.0, -75.5, -38.0, -30.5, -74.5]