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: [59, -19, -85]

Output: [20.0, -52.0]


Input: Consider Input: [-8, 35, 28, -100]

Output: [13.5, 31.5, -36.0]


Input: Consider Input: [71, 15, -17]


Output: [43.0, -1.0]


