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: [86, -66, -60]

Output: [10.0, -63.0]


Input: Consider Input: [42, -57, 62, 14, -89, 19, 56, -90, 32, 21, -2, -9]

Output: [-7.5, 2.5, 38.0, -37.5, -35.0, 37.5, -17.0, -29.0, 26.5, 9.5, -5.5]


Input: Consider Input: [81, -100, 70, -20, 15, -44, -92, -61, 83, -25, 92, -3, 86, -49, -59]


Output: [-9.5, -15.0, 25.0, -2.5, -14.5, -68.0, -76.5, 11.0, 29.0, 33.5, 44.5, 41.5, 18.5, -54.0]