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: [44, -69, 2, -20, -20]

Output: [-12.5, -33.5, -9.0, -20.0]


Input: Consider Input: [59, 57]

Output: [58.0]


Input: Consider Input: [-46, 63, -38, -23, -5, 74, -30, 51, -51, 73]


Output: [8.5, 12.5, -30.5, -14.0, 34.5, 22.0, 10.5, 0.0, 11.0]