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: [5, 5]

Output: [5.0]


Input: Consider Input: [31, -43]

Output: [-6.0]


Input: Consider Input: [87, 68, 79, 79, 1, 56, -63, 98, 3]


Output: [77.5, 73.5, 79.0, 40.0, 28.5, -3.5, 17.5, 50.5]