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: [83, -58]

Output: [12.5]


Input: Consider Input: [53, -14, 74, -1, -98, 31, -26, 21, 41, -87, 14, 46]

Output: [19.5, 30.0, 36.5, -49.5, -33.5, 2.5, -2.5, 31.0, -23.0, -36.5, 30.0]


Input: Consider Input: [-87, -20, 65, 36, -87, 95]


Output: [-53.5, 22.5, 50.5, -25.5, 4.0]