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: [81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]

Output: [15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


Input: Consider Input: [84, 76, -56, 90, -63, 11, -25, 44, -16, -86, -51, -87, -7, 38]

Output: [80.0, 10.0, 17.0, 13.5, -26.0, -7.0, 9.5, 14.0, -51.0, -68.5, -69.0, -47.0, 15.5]


Input: Consider Input: [72, -31]


Output: [20.5]