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: [-72, 43, 78, -30, 53]

Output: [-14.5, 60.5, 24.0, 11.5]


Input: Consider Input: [99, 53, 8, -56, 89]


Output: [76.0, 30.5, -24.0, 16.5]