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: [18, -10, 28, 29, -23, 98]

Output: [4.0, 9.0, 28.5, 3.0, 37.5]


Input: Consider Input: [30, -51, 47]

Output: [-10.5, -2.0]


Input: Consider Input: [31, 28, -88, 91, -42]


Output: [29.5, -30.0, 1.5, 24.5]


