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: [-77, 76, 21, 100, 19]

Output: [-0.5, 48.5, 60.5, 59.5]


Input: Consider Input: [-47, 99, -39, 1, 32, 77, 4, 53, -71]

Output: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]


Input: Consider Input: [69, 61, -9, -24, -52, 64]


Output: [65.0, 26.0, -16.5, -38.0, 6.0]