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: [-17, -67, -20, -30, 91, 51, -35, -90, 6, 93, -32, -97, 98, -11]

Output: [-42.0, -43.5, -25.0, 30.5, 71.0, 8.0, -62.5, -42.0, 49.5, 30.5, -64.5, 0.5, 43.5]


Input: Consider Input: [-89, 25, -38, 93]


Output: [-32.0, -6.5, 27.5]