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: [91, -52, -63, 41]

Output: [19.5, -57.5, -11.0]


Input: Consider Input: [-36, 17, -25, -21, 45, 34, -39, 21, 71]

Output: [-9.5, -4.0, -23.0, 12.0, 39.5, -2.5, -9.0, 46.0]


Input: Consider Input: [12, 82, -58, 58, -95]


Output: [47.0, 12.0, 0.0, -18.5]