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: [40, -65, -77]

Output: [-12.5, -71.0]


Input: Consider Input: [-45, 34]

Output: [-5.5]


Input: Consider Input: [24, -38, 2, 22, 77, -48, -74, 23, -70, 43]


Output: [-7.0, -18.0, 12.0, 49.5, 14.5, -61.0, -25.5, -23.5, -13.5]