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: [-21, 12, 53, 49, 2, -54, -28, 8, -77, 27, -33]

Output: [-4.5, 32.5, 51.0, 25.5, -26.0, -41.0, -10.0, -34.5, -25.0, -3.0]


Input: Consider Input: [10, 70, 61, -80, 6, 39, -83, 31, -25]

Output: [40.0, 65.5, -9.5, -37.0, 22.5, -22.0, -26.0, 3.0]


Input: Consider Input: [-22, 42, 91, 13, 81]


Output: [10.0, 66.5, 52.0, 47.0]