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: [-84, -19]

Output: [-51.5]


Input: Consider Input: [0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]

Output: [-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]


Input: Consider Input: [-42, -89, 78, 76, -26, 31, 42]


Output: [-65.5, -5.5, 77.0, 25.0, 2.5, 36.5]