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: [-42, 68, -97, 81, 6, 30, 71, 61, -73]

Output: [13.0, -14.5, -8.0, 43.5, 18.0, 50.5, 66.0, -6.0]


Input: Consider Input: [-16, 54, 42]

Output: [19.0, 48.0]


Input: Consider Input: [-96, 75, 5, -52, -35, 8, -28, 10, 73, 79, 83, 86]


Output: [-10.5, 40.0, -23.5, -43.5, -13.5, -10.0, -9.0, 41.5, 76.0, 81.0, 84.5]