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].

Input: Consider Input: [31, -43]

Output: [-6.0]


Input: Consider Input: [-81, -11, -100, 66, 29, 28, 31, -36]

Output: [-46.0, -55.5, -17.0, 47.5, 28.5, 29.5, -2.5]


Input: Consider Input: [-45, -9, 90, 17, 96, 5, -15, -92, -73, 36, -25, -98, -94, -96]


Output: [-27.0, 40.5, 53.5, 56.5, 50.5, -5.0, -53.5, -82.5, -18.5, 5.5, -61.5, -96.0, -95.0]