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: [-96, -73]

Output: [-84.5]


Input: Consider Input: [-68, -29, -8, -76, 90, 60, 14, 63, -12]


Output: [-48.5, -18.5, -42.0, 7.0, 75.0, 37.0, 38.5, 25.5]