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: [-71, -78, -84, 6, 99, 66, -90, -36, -77, -56, 19, -59, 71]

Output: [-74.5, -81.0, -39.0, 52.5, 82.5, -12.0, -63.0, -56.5, -66.5, -18.5, -20.0, 6.0]


Input: Consider Input: [65, -89, -12, -85, -58, 83]

Output: [-12.0, -50.5, -48.5, -71.5, 12.5]


Input: Consider Input: [58, -99]


Output: [-20.5]