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: [27, 32, -92]

Output: [29.5, -30.0]


Input: Consider Input: [64, -24, -2, 33, 98, -55, -84]


Output: [20.0, -13.0, 15.5, 65.5, 21.5, -69.5]