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: [40, -60, 97, -26, 39, -5]

Output: [-10.0, 18.5, 35.5, 6.5, 17.0]


Input: Consider Input: [55, -66, -22]


Output: [-5.5, -44.0]