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: [-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: [-9, 97, -37]

Output: [44.0, 30.0]


Input: Consider Input: [-64, -90, 77, 14, 1, -99, -2, -9, 61, 53, -80, -32]


Output: [-77.0, -6.5, 45.5, 7.5, -49.0, -50.5, -5.5, 26.0, 57.0, -13.5, -56.0]