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: [-79, -48, 58, -34, 17]

Output: [-63.5, 5.0, 12.0, -8.5]


Input: Consider Input: [83, 68, 64, 59]

Output: [75.5, 66.0, 61.5]


Input: Consider Input: [54, -1, -39, 73, -17]


Output: [26.5, -20.0, 17.0, 28.0]