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: [31, -43]

Output: [-6.0]


Input: Consider Input: [34, 32, -21, -70, 38, 7, -25]

Output: [33.0, 5.5, -45.5, -16.0, 22.5, -9.0]


Input: Consider Input: [81, 35, -23, -50, -10, -72, -79, 22, 17, 44]


Output: [58.0, 6.0, -36.5, -30.0, -41.0, -75.5, -28.5, 19.5, 30.5]