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: [1, 50, -16, -45, 72]

Output: [25.5, 17.0, -30.5, 13.5]


Input: Consider Input: [-69, -35, 56, 64]

Output: [-52.0, 10.5, 60.0]


Input: Consider Input: [53, -67, -75, -4, -32, -34, 40, -86, -98, 13]


Output: [-7.0, -71.0, -39.5, -18.0, -33.0, 3.0, -23.0, -92.0, -42.5]