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: [52, -7, -11, 69]

Output: [22.5, -9.0, 29.0]


Input: Consider Input: [24, 36, -19, 61, 6]

Output: [30.0, 8.5, 21.0, 33.5]


Input: Consider Input: [-38, 12, -65, 45, 43]


Output: [-13.0, -26.5, -10.0, 44.0]