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: [-69, -35, 56, 64]

Output: [-52.0, 10.5, 60.0]


Input: Consider Input: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]

Output: [17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]


Input: Consider Input: [48, -12, -86, -82]


Output: [18.0, -49.0, -84.0]