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: [72, -80]

Output: [-4.0]


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

Output: [30.0, 8.5, 21.0, 33.5]


Input: Consider Input: [8, -85, 2, -47, 13, -16, 12, -77, -87, 17, 36, -65]


Output: [-38.5, -41.5, -22.5, -17.0, -1.5, -2.0, -32.5, -82.0, -35.0, 26.5, -14.5]