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: [20, 57, 16, -66, -30, -89, 64, -22, 7, -36, -19, -71]

Output: [38.5, 36.5, -25.0, -48.0, -59.5, -12.5, 21.0, -7.5, -14.5, -27.5, -45.0]


Input: Consider Input: [5, 5]

Output: [5.0]


Input: Consider Input: [0, -13, 92, -19, 34, -7, -3, -20, 86, 16, 86, 23, -23, 91, 77]


Output: [-6.5, 39.5, 36.5, 7.5, 13.5, -5.0, -11.5, 33.0, 51.0, 51.0, 54.5, 0.0, 34.0, 84.0]