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: [33, -76, 34, -35, 27, 74]
Example Output: [-21.5, -21.0, -0.5, -4.0, 50.5]

Example Input: [59, 57]
Example Output: [58.0]

Example Input: [66, 43, -63, 84, -12]
Example Output:
[54.5, -10.0, 10.5, 36.0]