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: [14, -42]

Output: [-14.0]


Input: Consider Input: [74, 1, 0, -48, -70, -9, -5, -3, -96, 36, 63, -46, 87, 16, -82]

Output: [37.5, 0.5, -24.0, -59.0, -39.5, -7.0, -4.0, -49.5, -30.0, 49.5, 8.5, 20.5, 51.5, -33.0]


Input: Consider Input: [81, 5, 77, 82]


Output: [43.0, 41.0, 79.5]